SN4 ""

No	Pattern	Freq
1	it be [adj] for [pron]	997
2	it be [adj] for [pers pn]	801
3	it is [adj] for [pron]	403
4	it 's [adj] for [pron]	295
5	it was [adj] for [pron]	261
6	it be [adj] for me	154
7	it be [adj] for i	154
8	it be [adj] for you	152
9	it be [adj] for you	152
10	it be [adj] for us	150
11	it be [adj] for we	150
12	it be [adj] for they	147
13	it be [adj] for them	147
14	it be [adj] for him	118
15	it be [adj] for he	118
16	it be difficult for [pron]	101
17	it be [adj] for [pos pn]	94
18	it be [adj] for [indef pn]	87
19	it be important for [pron]	82
20	it be impossible for [pron]	76
21	it be good for [pron]	76
22	it be possible for [pron]	71
23	it be [adj] for her	63
24	it be [adj] for she	63
25	it be necessary for [pron]	62
26	it be hard for [pron]	49
27	it be easy for [pron]	39
28	it be [adj] for [pron]	29
29	it be [adj] for anyone	26
30	it be bad for [pron]	26