SN4 ""

No	Pattern	Freq
1	[conj] it is the [adj]	357
2	[subord] it is the [adj]	135
3	that it is the [adj]	114
4	that it is the [adj]	114
5	[that] it is the [adj]	114
6	[coord] it is the [adj]	108
7	[noun] it is the [adj]	67
8	[adv] it is the [adj]	62
9	and it is the [adj]	59
10	[adv] it is the [adj]	59
11	and it is the [adj]	59
12	but it is the [adj]	48
13	[verb] it is the [adj]	48
14	but it is the [adj]	48
15	because it is the [adj]	47
16	because it is the [adj]	47
17	[noun sg] it is the [adj]	37
18	[prep] it is the [adj]	25
19	[prep] it is the [adj]	25
20	[noun pl] it is the [adj]	22
21	if it is the [adj]	18
22	if it is the [adj]	18
23	[vb base] it is the [adj]	16
24	[adj] it is the [adj]	15
25	whether it is the [adj]	14
26	[pron] it is the [adj]	14
27	as it is the [adj]	14
28	as it is the [adj]	14
29	whether it is the [adj]	14
30	since it is the [adj]	12