noun/verb

This is a table of noun/verb combinations and their frequencies from sentences in your study carrel. Use it to search & browse the list to learn more about your study carrel.

noun	verb	frequency
�	�	6661
it	is	1684
it	was	399
energy	is	345
it	has	302
we	have	295
they	are	269
system	is	211
we	are	184
energy	use	174
cells	were	149
they	have	139
power	is	102
studies	have	99
crisis	is	88
he	is	87
study	is	79
they	were	76
energy	has	70
energy	needs	64
we	need	64
he	was	63
e	�	62
study	was	61
we	do	57
he	has	54
it	does	54
we	found	52
you	are	50
systems	are	49
system	was	48
i	am	46
a	given	45
cells	are	45
a	need	43
crisis	has	42
we	used	41
energy	generated	40
d	is	39
oil	is	39
we	find	39
power	generated	38
we	suggest	37
we	use	37
he	had	36
it	''s	36
system	using	35
we	consider	35
i	have	33
n	�	32
e	is	31
studies	are	30
they	had	29
you	need	29
power	was	28
they	do	28
energy	are	28
a	�	28
cells	have	27
you	used	27
%	increase	26
it	had	26
systems	have	26
t	is	26
energy	was	25
it	did	25
n	is	25
cells	is	24
i	m	24
oil	producing	24
system	has	24
we	show	23
cell	is	23
she	is	23
crisis	was	22
oil	was	22
it	shows	21
its	use	21
%	is	20
%	�	20
energy	required	20
she	has	20
study	has	20
we	were	20
you	have	20
their	use	19
they	found	19
s	are	19
t	�	19
study	found	19
cells	was	18
it	provides	18
it	takes	18
power	produced	18
a	developing	17
study	are	17
system	are	17
r	is	16
them	are	16
system	based	16
p	�	16
d	�	16
crisis	are	16
a	cause	15
energy	used	15
i	was	15
i	�	15
it	became	15
it	becomes	15
m	is	15
them	is	15
they	did	15
we	take	15
s	is	14
systems	is	14
it	requires	14
crises	are	14
energy	produced	13
i	is	13
studies	suggest	13
we	see	13
�	is	13
crisis	have	13
r	�	12
s	�	12
you	give	12
we	had	12
studies	were	12
studies	using	12
she	was	12
oil	has	12
power	has	12
it	took	12
i	had	12
i	do	12
cells	using	12
we	follow	11
we	did	11
m	�	11
we	make	11
we	provide	11
o	�	11
it	gives	11
h	is	11
energy	needed	11
energy	based	11
%	were	11
it	follows	11
%	compared	11
we	compare	10
study	showed	10
study	using	10
systems	were	10
i	did	10
c	is	10
a	base	10
a	is	9
e	are	9
energy	producing	9
it	needs	9
power	needs	9
power	using	9
she	had	9
study	based	9
study	shows	9
they	''re	9
t	are	8
systems	was	8
study	suggests	8
they	suggest	8
study	were	8
a	reduced	8
it	includes	8
energy	need	8
%	had	8
%	was	8
i	ve	8
it	suggests	7
you	''re	7
we	develop	7
we	''re	7
they	need	7
their	needs	7
system	have	7
o	be	7
power	are	7
it	reduces	7
it	produces	7
it	needed	7
it	increased	7
energy	have	7
crisis	had	7
%	have	7
%	are	7
systems	provide	6
studies	showed	6
study	had	6
study	provides	6
we	require	6
they	make	6
they	provide	6
l	�	6
she	does	6
energies	are	6
it	provided	6
it	makes	6
i	using	6
i	need	6
he	found	6
g	is	6
energy	being	6
crises	have	6
cells	need	6
systems	including	5
studies	had	5
studies	show	5
study	showing	5
system	does	5
system	includes	5
systems	include	5
power	required	5
systems	require	5
them	were	5
themselves	are	5
they	use	5
we	compared	5
we	considered	5
s	were	5
it	were	5
oil	are	5
it	be	5
o	are	5
cells	based	5
energy	using	5
energy	were	5
h	using	5
he	took	5
crisis	requires	5
it	considers	5
it	uses	5
a	leading	5
itself	was	5
n	be	5
it	leads	5
system	had	4
system	uses	4
system	used	4
system	use	4
system	include	4
study	show	4
study	uses	4
study	used	4
study	developed	4
t	have	4
systems	has	4
we	give	4
they	find	4
they	saw	4
they	show	4
they	’re	4
us	is	4
we	be	4
r	are	4
we	increase	4
we	’re	4
you	do	4
s	included	4
t	be	4
power	have	4
he	suggests	4
p	is	4
a	follow	4
a	generating	4
cells	has	4
cells	produce	4
crises	has	4
crisis	leads	4
crisis	seen	4
he	considered	4
he	did	4
he	does	4
cells	including	4
o	is	4
oil	produced	4
it	increases	4
its	reduced	4
itself	is	4
l	are	4
l	is	4
oil	were	4
n	are	4
i	’m	4
studies	has	3
studies	suggested	3
its	increasing	3
study	did	3
study	have	3
study	includes	3
she	uses	3
study	suggest	3
studies	found	3
our	use	3
she	sees	3
power	develop	3
power	base	3
oil	have	3
oil	becomes	3
m	was	3
system	makes	3
system	leads	3
they	suggested	3
system	needs	3
system	requires	3
its	base	3
�	are	3
we	’ve	3
we	made	3
we	included	3
we	developed	3
u	is	3
they	used	3
they	require	3
they	produce	3
they	follow	3
them	was	3
them	had	3
systems	using	3
systems	provides	3
systems	based	3
system	were	3
its	increased	3
oil	shows	3
it	led	3
e	been	3
crisis	were	3
crisis	led	3
crisis	lead	3
crisis	induced	3
crisis	caused	3
crisis	become	3
cells	had	3
cells	following	3
cell	using	3
cell	reduces	3
cell	are	3
c	�	3
a	used	3
a	reducing	3
a	published	3
%	increases	3
it	induces	3
d	are	3
a	lead	3
e	see	3
he	shows	3
energies	is	3
it	generates	3
it	causes	3
i	see	3
i	consider	3
he	uses	3
he	used	3
he	suggested	3
it	generated	3
he	showed	3
h	�	3
h	are	3
energy	uses	3
energy	provides	3
energy	increases	3
he	finds	3
energy	becomes	3
studies	done	2
she	becomes	2
she	did	2
she	saw	2
studied	including	2
studied	is	2
studied	were	2
studies	use	2
studies	include	2
studies	is	2
studies	showing	2
studies	used	2
study	compared	2
study	comparing	2
study	considered	2
study	include	2
s	include	2
power	does	2
s	has	2
oil	using	2
study	published	2
itself	makes	2
n	increased	2
n	needs	2
oil	based	2
its	causes	2
oil	makes	2
our	need	2
r	was	2
power	being	2
power	followed	2
power	needed	2
power	use	2
power	were	2
powered	using	2
r	has	2
study	provide	2
they	become	2
study	suggested	2
us	have	2
they	generate	2
they	give	2
they	include	2
they	made	2
they	needed	2
they	reduce	2
they	see	2
us	take	2
system	developed	2
we	''ve	2
we	needed	2
we	saw	2
we	showed	2
we	using	2
you	did	2
�	providing	2
they	developed	2
they	cause	2
they	''ve	2
themselves	have	2
system	finds	2
system	generates	2
system	including	2
system	increase	2
system	increased	2
system	increases	2
system	led	2
system	provides	2
system	taking	2
systems	become	2
systems	used	2
t	was	2
them	given	2
them	has	2
them	have	2
itself	had	2
oil	had	2
it	used	2
crisis	require	2
crises	do	2
crises	provide	2
crises	were	2
crisis	becomes	2
crisis	did	2
crisis	generates	2
crisis	increases	2
crisis	took	2
e	was	2
d	be	2
d	do	2
d	increase	2
d	shows	2
e	has	2
e	increase	2
e	seen	2
cells	used	2
cells	use	2
cells	leads	2
cells	increased	2
it	take	2
%	based	2
%	cause	2
%	developed	2
%	increased	2
%	reduced	2
%	used	2
a	developed	2
a	was	2
al	found	2
al	have	2
cell	did	2
cell	has	2
cells	compared	2
cells	comparing	2
e	used	2
cells	give	2
energies	has	2
it	being	2
he	takes	2
herself	is	2
himself	was	2
i	be	2
i	find	2
i	make	2
i	suggest	2
it	caused	2
he	provided	2
it	included	2
it	produced	2
it	provide	2
it	published	2
it	showed	2
energies	have	2
it	shown	2
he	provides	2
it	are	2
he	makes	2
energy	showing	2
energies	were	2
energy	do	2
he	became	2
energy	had	2
energy	having	2
energy	includes	2
energy	reduces	2
energy	show	2
energy	produce	2
energy	takes	2
g	were	2
g	�	2
h	compared	2
h	was	2
he	''s	2
studies	including	1
she	were	1
studies	developed	1
studies	based	1
studied	using	1
studied	produces	1
studied	includes	1
studied	considering	1
studies	made	1
studied	causes	1
she	follow	1
she	took	1
she	takes	1
she	provides	1
she	led	1
she	gave	1
she	found	1
she	considers	1
s	was	1
studies	provide	1
s	used	1
studies	need	1
system	being	1
studies	published	1
study	provided	1
s	published	1
system	considers	1
system	considering	1
system	causes	1
system	cause	1
system	became	1
study	took	1
study	suggesting	1
study	sees	1
study	produced	1
studies	required	1
study	leads	1
study	included	1
study	gives	1
study	finds	1
study	find	1
study	does	1
study	compares	1
study	became	1
studies	shows	1
s	shows	1
oil	showed	1
s	leads	1
oil	takes	1
ours	are	1
our	published	1
our	needs	1
our	increasing	1
our	following	1
oils	using	1
oils	are	1
oil	�	1
oil	used	1
system	found	1
power	be	1
oil	required	1
oil	needs	1
oil	give	1
oil	following	1
oil	does	1
oil	developing	1
oil	causes	1
o	were	1
o	need	1
p	are	1
power	becomes	1
s	leading	1
r	develop	1
s	increasing	1
s	increases	1
s	have	1
s	following	1
s	do	1
s	been	1
r	makes	1
r	increases	1
r	does	1
r	been	1
power	generating	1
powers	are	1
powered	generating	1
power	shown	1
power	producing	1
power	need	1
power	increases	1
power	increased	1
power	had	1
power	given	1
system	following	1
them	take	1
system	gives	1
system	included	1
we	reduced	1
we	publish	1
we	is	1
we	include	1
we	generated	1
we	generate	1
we	followed	1
we	been	1
us	was	1
us	show	1
us	providing	1
us	consider	1
us	compare	1
u	are	1
they	showed	1
they	required	1
they	provided	1
they	produced	1
they	induced	1
they	increase	1
they	generated	1
we	suggested	1
we	suggests	1
you	''ve	1
�	have	1
�	was	1
�	using	1
�	show	1
�	reduced	1
�	making	1
�	induced	1
�	increases	1
�	increased	1
�	increase	1
�	does	1
you	consider	1
�	do	1
�	developing	1
�	be	1
you	use	1
you	lead	1
you	is	1
you	follow	1
you	find	1
you	develop	1
they	followed	1
they	develop	1
they	considered	1
systems	do	1
t	had	1
t	did	1
systems	takes	1
systems	showed	1
systems	show	1
systems	reduces	1
systems	reduced	1
systems	need	1
systems	increases	1
systems	considering	1
t	includes	1
systems	causes	1
systems	being	1
system	took	1
system	suggests	1
system	shown	1
system	showed	1
system	provided	1
system	produced	1
system	leading	1
t	has	1
t	increased	1
they	compared	1
them	increase	1
they	compare	1
they	been	1
they	became	1
they	based	1
themselves	provide	1
themselves	make	1
them	using	1
them	use	1
o	do	1
them	having	1
t	see	1
them	generate	1
them	being	1
theirs	was	1
theirs	is	1
their	�	1
their	increased	1
their	causes	1
t	take	1
t	shows	1
o	had	1
it	induced	1
n	increases	1
crisis	based	1
crisis	provided	1
crisis	produced	1
crisis	make	1
crisis	made	1
crisis	gives	1
crisis	give	1
crisis	comparing	1
crisis	causes	1
crisis	being	1
crises	was	1
d	does	1
crises	led	1
crises	leading	1
crises	lead	1
crises	is	1
crises	increase	1
crises	caused	1
cells	suggest	1
cells	shows	1
cells	show	1
crisis	takes	1
d	follow	1
cells	provides	1
energies	requires	1
energy	finds	1
energy	does	1
energy	did	1
energy	considered	1
energy	become	1
energy	became	1
energy	base	1
energies	was	1
energies	take	1
energies	generated	1
d	reduce	1
e	suggest	1
e	reducing	1
e	increased	1
e	have	1
e	finding	1
e	being	1
d	was	1
d	show	1
d	see	1
cells	require	1
cells	provide	1
energy	gives	1
a	having	1
al	provided	1
a	take	1
a	suggested	1
a	show	1
a	see	1
a	required	1
a	provides	1
a	producing	1
a	induced	1
a	found	1
al	suggested	1
a	following	1
a	does	1
a	be	1
%	see	1
%	lead	1
%	having	1
%	has	1
%	being	1
%	be	1
al	showed	1
al	using	1
cells	induced	1
cell	produced	1
cells	induce	1
cells	increase	1
cells	generate	1
cells	followed	1
cells	do	1
cells	causes	1
cells	caused	1
cells	cause	1
cell	was	1
cell	produce	1
c	given	1
cell	needed	1
cell	made	1
cell	had	1
cell	being	1
cell	based	1
c	was	1
c	shows	1
c	reduced	1
c	including	1
energy	generating	1
energy	include	1
n	increase	1
it	lead	1
its	developing	1
its	cause	1
it	using	1
it	suggested	1
it	required	1
it	reduced	1
it	produce	1
it	make	1
it	made	1
it	inducing	1
its	need	1
it	include	1
it	have	1
it	gave	1
it	followed	1
it	developed	1
it	considered	1
it	become	1
ing	increasing	1
i	took	1
its	doing	1
its	needs	1
i	shows	1
l	induced	1
n	have	1
n	has	1
n	does	1
me	made	1
me	is	1
me	give	1
m	using	1
m	published	1
m	has	1
l	do	1
its	show	1
j.	was	1
itself	took	1
itself	suggest	1
itself	has	1
itself	does	1
itself	did	1
itself	be	1
its	�	1
its	uses	1
i	take	1
i	showing	1
energy	increased	1
energy	suggests	1
he	be	1
h	were	1
h	provides	1
h	has	1
h	following	1
g	produced	1
g	been	1
g	becomes	1
energy	�	1
energy	shows	1
he	gave	1
energy	showed	1
energy	requiring	1
energy	requires	1
energy	reduce	1
energy	provide	1
energy	making	1
energy	made	1
energy	leads	1
energy	leading	1
he	develops	1
he	gives	1
i	made	1
his	cause	1
i	gave	1
i	develop	1
i	considered	1
i	being	1
i	became	1
i	are	1
his	needs	1
his	leading	1
his	found	1
his	being	1
he	made	1
his	base	1
him	consider	1
herself	were	1
herself	was	1
herself	becomes	1
he	were	1
he	reduced	1
he	needs	1
he	making	1
�	were	1