SN4 ""

No	Pattern	Freq
1	it [adj] for [noun pl]	231
2	it [adj] for [noun pl]	156
3	it easy for [noun pl]	76
4	it [adj -er] for [noun pl]	75
5	it easier for [noun pl]	64
6	it possible for [noun pl]	39
7	it possible for [noun pl]	39
8	it difficult for [noun pl]	34
9	it difficult for [noun pl]	34
10	it easy for [noun pl]	12
11	it impossible for [noun pl]	12
12	it impossible for [noun pl]	12
13	it harder for [noun pl]	10
14	it hard for [noun pl]	10
15	it [adj] for users	9
16	it [adj] for firms	8
17	it ideal for [noun pl]	8
18	it ideal for [noun pl]	8
19	it [adj] for women	7
20	it necessary for [noun pl]	6
21	it necessary for [noun pl]	6
22	it compulsory for [noun pl]	6
23	it [adj] for employers	6
24	it compulsory for [noun pl]	6
25	it [adj] for families	5
26	it [adj] for students	5
27	it suitable for [noun pl]	5
28	it [adj] for children	5
29	it suitable for [noun pl]	5