SN4 ""

No	Pattern	Freq
1	[conj] it is [adv] [adv] [conj]	61
2	[conj] it is [adv] [adv] [conj]	40
3	[conj] it is [adv] [adv] that	32
4	[conj] it is [adv] [adv] that	32
5	[conj] it is [adv] [adv] [that]	32
6	[coord] it is [adv] [adv] [conj]	31
7	[conj] it is [not/n't] [adv] [conj]	21
8	[conj] it is not [adv] [conj]	21
9	[conj] it is [adv] [adv] [subord]	19
10	[conj] it is only [adv] [conj]	19
11	[conj] it is only [adv] [conj]	19
12	[conj] it is not [adv] [conj]	17
13	but it is [adv] [adv] [conj]	16
14	but it is [adv] [adv] [conj]	16
15	that it is [adv] [adv] [conj]	15
16	[subord] it is [adv] [adv] [conj]	15
17	and it is [adv] [adv] [conj]	15
18	and it is [adv] [adv] [conj]	15
19	[that] it is [adv] [adv] [conj]	15
20	that it is [adv] [adv] [conj]	15
21	[conj] it is [adv] [adv] [coord]	10
22	[conj] it is [adv] [adv] than	7
23	[conj] it is [adv] now [conj]	7
24	[conj] it is [adv] [adv] than	7
25	[conj] it is [adv] right [conj]	5
26	[conj] it is [adv] [adv] and	5
27	[conj] it is [adv] [adv] and	5