SN4 ""

No	Pattern	Freq
1	it is [adv] for [pron]	71
2	it is [adv] for [pers pn]	60
3	it is [adv] for [art]	53
4	it is [adv] for [art]	53
5	it is [adv] for the	47
6	it is [adv] for the	47
7	it is [adv] for i	32
8	it is [adv] for me	32
9	it is [adv] for [adj]	31
10	it is [adv] for [noun]	25
11	it is [adv] for [det]	23
12	it is [adv] for we	17
13	it is [adv] for us	17
14	it is [adv] for [noun sg]	12
15	it is [adv] for this	9
16	it is [adv] for this	9
17	it is [adv] for [noun pl]	9
18	it is [adv] for [adj]	7
19	it is [adv] for a	6
20	it is [adv] for a	6
21	it is [adv] for [indef pn]	5
22	it is [adv] for you	5
23	it is [adv] for you	5
24	it is [adv] for [pos pn]	5
25	it is [adv] for [adv]	5
26	it is [adv] for [adv]	5
27	[conj] it is [adv] for	45
28	[coord] it is [adv] for	19
29	[subord] it is [adv] for	15
30	that it is [adv] for	11