SN4 ""

No	Pattern	Freq
1	[adj] it [was/were] for [pers pn]	21
2	[adj] it [was/were] for [pers pn]	20
3	[conj] it [was/were] for [pers pn]	13
4	[verb] it [was/were] for [pers pn]	13
5	[vb past] it [was/were] for [pers pn]	8
6	[subord] it [was/were] for [pers pn]	8
7	difficult it [was/were] for [pers pn]	6
8	[adv] it [was/were] for [pers pn]	6
9	[noun] it [was/were] for [pers pn]	6
10	difficult it [was/were] for [pers pn]	6
11	as it [was/were] for [pers pn]	5
12	as it [was/were] for [pers pn]	5
13	[noun sg] it [was/were] for [pers pn]	5
14	[pron] it [was/were] for [pers pn]	5
15	it [was/were] [adj] for [pers pn]	264
16	it [was/were] [adj] for [pers pn]	225
17	it [was/were] [adv] for [pers pn]	69
18	it [was/were] not for [pers pn]	59
19	it [was/were] [not/n't] for [pers pn]	59
20	it [was/were] [noun sg] for [pers pn]	45
21	it [was/were] [noun] for [pers pn]	45
22	it [was/were] time for [pers pn]	39
23	it [was/were] time for [pers pn]	39
24	it [was/were] n't for [pers pn]	38
25	it [was/were] [adj -er] for [pers pn]	32
26	it [was/were] good for [pers pn]	28
27	it [was/were] easy for [pers pn]	25
28	it [was/were] [verb] for [pers pn]	23
29	it [was/were] impossible for [pers pn]	22
30	it [was/were] impossible for [pers pn]	22