SN4 ""

No	Pattern	Freq
1	it is [adv] that [pers pn]	116
2	it is [adv] [that] [pers pn]	116
3	it is [adv] that [pers pn]	116
4	it is [adv] [subord] [pers pn]	89
5	it is [adv] [conj] we	47
6	it is [adv] because [pers pn]	42
7	it is [adv] because [pers pn]	42
8	it is [adv] [conj] i	40
9	it is only [conj] [pers pn]	39
10	it is [adv] [conj] it	37
11	it is [adv] [conj] they	35
12	it is just [conj] [pers pn]	27
13	it is [adv] [conj] you	26
14	it is here [conj] [pers pn]	22
15	it is [adv] [conj] he	22
16	it is [adv] if [pers pn]	19
17	it is [adv] if [pers pn]	19
18	it is precisely [conj] [pers pn]	14
19	it is right [conj] [pers pn]	14
20	it is [adv] when [pers pn]	12
21	it is [adv] when [pers pn]	12
22	it is [adv] [coord] [pers pn]	11
23	it is simply [conj] [pers pn]	11
24	it is then [conj] [pers pn]	10
25	it is best [conj] [pers pn]	10
26	it is there [conj] [pers pn]	9
27	it is now [conj] [pers pn]	8
28	it is [adv] [conj] she	8
29	it is enough [conj] [pers pn]	8
30	it is [adv] but [pers pn]	6