SN4 ""

No	Pattern	Freq
1	[verb] [conj] it is [adj] for	135
2	[noun] [conj] it is [adj] for	122
3	[noun sg] [conj] it is [adj] for	77
4	[noun pl] [conj] it is [adj] for	37
5	[vb base] [conj] it is [adj] for	35
6	[adv] [conj] it is [adj] for	34
7	[adv] [conj] it is [adj] for	32
8	[vb infin] [conj] it is [adj] for	29
9	[conj] [conj] it is [adj] for	27
10	[adj] [conj] it is [adj] for	27
11	[adj] [conj] it is [adj] for	25
12	[coord] [conj] it is [adj] for	23
13	[vb pp] [conj] it is [adj] for	22
14	[vb -s] [conj] it is [adj] for	21
15	[to-vb] [conj] it is [adj] for	19
16	[be] [conj] it is [adj] for	16
17	be [conj] it is [adj] for	16
18	[is] [conj] it is [adj] for	14
19	and [conj] it is [adj] for	14
20	is [conj] it is [adj] for	14
21	and [conj] it is [adj] for	14
22	show [conj] it is [adj] for	11
23	believe [conj] it is [adj] for	10
24	argue [conj] it is [adj] for	10
25	think [conj] it is [adj] for	8
26	know [conj] it is [adj] for	7
27	[v-ing] [conj] it is [adj] for	7
28	so [conj] it is [adj] for	6
29	but [conj] it is [adj] for	6
30	but [conj] it is [adj] for	6