SN4 ""

No	Pattern	Freq
1	[coord] [conj] it is [adv]	217
2	[conj] [subord] it is [adv]	156
3	and [conj] it is [adv]	130
4	and [conj] it is [adv]	130
5	[conj] [that] it is [adv]	90
6	[conj] that it is [adv]	90
7	[conj] that it is [adv]	90
8	but [conj] it is [adv]	52
9	but [conj] it is [adv]	52
10	[conj] if it is [adv]	34
11	or [conj] it is [adv]	34
12	or [conj] it is [adv]	34
13	[conj] if it is [adv]	34
14	[conj] because it is [adv]	25
15	[conj] because it is [adv]	25
16	[subord] [conj] it is [adv]	20
17	[conj] whether it is [adv]	20
18	[conj] whether it is [adv]	20
19	[conj] as it is [adv]	19
20	[conj] as it is [adv]	19
21	[conj] [conj] it is only	18
22	[conj] although it is [adv]	16
23	[conj] although it is [adv]	16
24	[that] [conj] it is [adv]	14
25	that [conj] it is [adv]	14
26	that [conj] it is [adv]	14
27	[conj] [conj] it is also	12
28	[conj] [conj] it is so	11
29	[conj] [conj] it is too	11
30	[conj] while it is [adv]	10