SN4 ""

No	Pattern	Freq
1	[conj] it is [noun] for	29
2	[adv] it is [noun] for	20
3	[adv] it is [noun] for	17
4	[verb] it is [noun] for	14
5	[subord] it is [noun] for	11
6	[coord] it is [noun] for	9
7	[that] it is [noun] for	9
8	that it is [noun] for	9
9	that it is [noun] for	9
10	perhaps it is [noun] for	7
11	perhaps it is [noun] for	7
12	[vb base] it is [noun] for	7
13	think it is [noun] for	5
14	[vb -s] it is [noun] for	5
15	it is [art] [noun] for	290
16	it is [art] [noun] for	290
17	it is a [noun] for	227
18	it is a [noun] for	185
19	it is [adj] [noun] for	96
20	it is [adj] [noun] for	69
21	it is the [noun] for	46
22	it is the [noun] for	46
23	it is an [noun] for	42
24	it is good [noun] for	17
25	it is [adv] [noun] for	16
26	it is [prep] [noun] for	15
27	it is no [noun] for	15
28	it is no [noun] for	15
29	it is [prep] [noun] for	15
30	it is good [noun] for	15