SN4 ""

No	Pattern	Freq
1	[verb] it [adv] for [noun]	53
2	[vb base] it [adv] for [noun]	16
3	[vb past] it [adv] for [noun]	13
4	[v-ing] it [adv] for [noun]	12
5	make it [adv] for [noun]	12
6	do it [adv] for [noun]	8
7	[prep] it [adv] for [noun]	7
8	[prep] it [adv] for [noun]	7
9	[vb pp] it [adv] for [noun]	5
10	it [be] [adv] for [noun]	54
11	it be [adv] for [noun]	54
12	it [is] [adv] for [noun]	36
13	it 's [adv] for [noun]	27
14	it [adv] [adv] for [noun]	21
15	it [was/were] [adv] for [noun]	18
16	it [verb] [adv] for [noun]	18
17	it was [adv] for [noun]	18
18	it [adv] [adv] for [noun]	13
19	it [vb -s] [adv] for [noun]	11
20	it is [adv] for [noun]	9
21	it [adv prt] [adv] for [noun]	7
22	it [adv] [adj] for [noun]	113
23	it [adv] [adj] for [noun]	106
24	it [adv] difficult for [noun]	52
25	it [adv] difficult for [noun]	52
26	it [adv] [verb] for [noun]	39
27	it [adv] [vb -s] for [noun]	19
28	it [adv] [vb past] for [noun]	17
29	it [adv] [adv] for [noun]	14
30	it [adv] [adv] for [noun]	13