SN4 ""

No	Pattern	Freq
1	[conj] it [be] for [pers pn]	57
2	[adj] it [be] for [pers pn]	43
3	[adj] it [be] for [pers pn]	33
4	[subord] it [be] for [pers pn]	32
5	[verb] it [be] for [pers pn]	23
6	[adv] it [be] for [pers pn]	22
7	[coord] it [be] for [pers pn]	20
8	as it [be] for [pers pn]	20
9	as it [be] for [pers pn]	20
10	[adv] it [be] for [pers pn]	16
11	[noun] it [be] for [pers pn]	13
12	[noun sg] it [be] for [pers pn]	12
13	and it [be] for [pers pn]	12
14	and it [be] for [pers pn]	12
15	[pron] it [be] for [pers pn]	10
16	difficult it [be] for [pers pn]	10
17	difficult it [be] for [pers pn]	10
18	[adj -er] it [be] for [pers pn]	10
19	think it [be] for [pers pn]	8
20	but it [be] for [pers pn]	8
21	[vb past] it [be] for [pers pn]	8
22	but it [be] for [pers pn]	8
23	[vb infin] it [be] for [pers pn]	7
24	how it [be] for [pers pn]	6
25	[modal v] it [be] for [pers pn]	6
26	how it [be] for [pers pn]	6
27	[Wh adv] it [be] for [pers pn]	6
28	hard it [be] for [pers pn]	6
29	[vb mod] it [be] for [pers pn]	6
30	easy it [be] for [pers pn]	5