SN4 ""

No	Pattern	Freq
1	[art] [noun] is [conj] it [verb]	161
2	[art] [noun] is [conj] it [verb]	161
3	[art] [noun sg] is [conj] it [verb]	155
4	[art] [noun] is that it [verb]	149
5	[art] [noun] is [that] it [verb]	149
6	[art] [noun] is that it [verb]	149
7	[art] [noun] is [conj] it [vb -s]	147
8	the [noun] is [conj] it [verb]	136
9	the [noun] is [conj] it [verb]	136
10	[art] [noun] is [conj] it have	25
11	a [noun] is [conj] it [verb]	25
12	a [noun] is [conj] it [verb]	22
13	[art] [noun] is [conj] it has	20
14	[art] [noun] is [conj] it do	18
15	[art] [noun] is [conj] it does	16
16	[art] [noun] is [conj] it [vb past]	13
17	[art] answer is [conj] it [verb]	11
18	[art] answer is [conj] it [verb]	11
19	[art] [noun] is [subord] it [verb]	10
20	[art] [noun] is [conj] it makes	7
21	[art] theory is [conj] it [verb]	7
22	[art] system is [conj] it [verb]	7
23	[art] [noun] is [conj] it allows	7
24	[art] [noun] is [conj] it allow	7
25	[art] [noun] is [conj] it seem	7
26	[art] system is [conj] it [verb]	7
27	[art] [noun] is [conj] it make	7
28	[art] theory is [conj] it [verb]	7
29	[art] [noun] is [conj] it seems	6
30	[art] [noun] is [conj] it gives	5