SN4 ""

No	Pattern	Freq
1	it is [adv] [adj] for [noun pl]	137
2	it is [adv] [adj] for [noun pl]	137
3	it is [adv] [adj] for [noun pl]	131
4	it is [adv] possible for [noun pl]	19
5	it is [adv] possible for [noun pl]	19
6	it is also [adj] for [noun pl]	17
7	it is [adv] difficult for [noun pl]	15
8	it is [adv] difficult for [noun pl]	15
9	it is very [adj] for [noun pl]	14
10	it is more [adj] for [noun pl]	12
11	it is [adv] common for [noun pl]	11
12	it is [adv] common for [noun pl]	11
13	it is [adv] important for [noun pl]	9
14	it is [adv] important for [noun pl]	9
15	it is quite [adj] for [noun pl]	9
16	it is too [adj] for [noun pl]	8
17	it is now [adj] for [noun pl]	8
18	it is often [adj] for [noun pl]	6
19	it is therefore [adj] for [noun pl]	6
20	it is [adv] [adj] for women	6
21	it is [adv] [adj] for parents	6
22	it is perfectly [adj] for [noun pl]	6
23	it is [adv] easy for [noun pl]	6
24	it is [adv] [adj] for children	6