SN4 ""

No	Pattern	Freq
1	it is [adv] [adv] that	152
2	it is [adv] [adv] [that]	152
3	it is [adv] [adv] that	152
4	it is not [adv] [conj]	127
5	it is [adv] [adv] [conj]	127
6	it is [not/n't] [adv] [conj]	127
7	it is not [adv] [conj]	109
8	it is [adv] [adv] [subord]	71
9	it is only [adv] [conj]	47
10	it is only [adv] [conj]	47
11	it is [adv] [adv] [coord]	33
12	it is [adv] just [conj]	27
13	it is [adv] [adv] because	19
14	it is [adv] [adv] because	19
15	it is [adv] [adv] and	19
16	it is [adv] [adv] and	19
17	it is n't [adv] [conj]	18
18	it is [adv] enough [conj]	18
19	it is [adv] only [conj]	18
20	it is [adv] simply [conj]	16
21	it is [adv] often [conj]	16
22	it is [adv] recently [conj]	15
23	it is [adv] [adv] than	15
24	it is [adv] [adv] than	15
25	it is [adv] long [conj]	15
26	it is [adv] now [conj]	13
27	it is [adv] more [conj]	11
28	it is [adv] there [conj]	11
29	it is [adv] [adv] before	10
30	it is [adv] [adv] before	10