SN4 ""

No	Pattern	Freq
31	it was [adj -er] for [pron]	32
32	it was [vb pp] for [pron]	31
33	it was good for [pron]	29
34	it was impossible for [pron]	26
35	it was impossible for [pron]	26
36	it was easy for [pron]	25
37	it was not for [pron]	25
38	it was difficult for [pron]	22
39	it was difficult for [pron]	22
40	it was [adv] for [pron]	21
41	it was possible for [pron]	21
42	it was possible for [pron]	21
43	it was necessary for [pron]	17
44	it was hard for [pron]	17
45	it was necessary for [pron]	17
46	it was hard for [pron]	16
47	it was [v-ing] for [pron]	14
48	it was important for [pron]	14
49	it was important for [pron]	14
50	it was better for [pron]	13
51	it was easier for [pron]	13
52	it was good for [pron]	12
53	it was easy for [pron]	11
54	it was bad for [pron]	8
55	it was all for [pron]	7
56	it was all for [pron]	7
57	it was lucky for [pron]	6
58	it was bad for [pron]	6
59	it was lucky for [pron]	6
60	it was [adj -est] for [pron]	6