SN4 ""

No	Pattern	Freq
1	[verb] is [conj] it [be]	90
2	[verb] is [conj] it be	90
3	[verb] is [conj] it [is]	73
4	[verb] is [conj] it is	47
5	[verb] is [conj] it [verb]	47
6	[verb] is [conj] it [vb -s]	43
7	[verb] is [conj] it [vb mod]	29
8	[verb] is [conj] it [modal v]	29
9	[verb] is [conj] it 's	26
10	[verb] is [conj] it [was/were]	17
11	[verb] is [conj] it was	17
12	[verb] is [conj] it have	11
13	[verb] is [conj] it has	7
14	[verb] is [conj] it will	7
15	[verb] is [conj] it would	6
16	[verb] is [conj] it will	6
17	[verb] is [conj] it can	6
18	[verb] is [conj] it can	6
19	[verb] is [conj] it would	6
20	[be] [verb] is [conj] it	32
21	be [verb] is [conj] it	32
22	[pron] [verb] is [conj] it	30
23	[verb] [verb] is [conj] it	28
24	[pers pn] [verb] is [conj] it	25
25	[modal v] [verb] is [conj] it	23
26	[vb mod] [verb] is [conj] it	23
27	[noun] [verb] is [conj] it	22
28	[adv] [verb] is [conj] it	22
29	[noun sg] [verb] is [conj] it	18
30	can [verb] is [conj] it	17