SN4 ""

No	Pattern	Freq
1	[conj] [pers pn] is [conj]	201
2	[subord] [pron] is [conj]	153
3	[conj] it is [conj]	148
4	[conj] it is [conj]	147
5	[conj] [pron] is [coord]	119
6	[conj] [pron] is [subord]	96
7	[coord] [pron] is [conj]	67
8	[conj] [pron] is and	55
9	[conj] [pron] is and	55
10	as [pron] is [conj]	49
11	as [pron] is [conj]	49
12	[conj] [pron] is that	40
13	[conj] [pron] is that	40
14	[conj] [pron] is [that]	40
15	[conj] there is [conj]	37
16	[conj] there is [conj]	37
17	[conj] [ex0] is [conj]	37
18	[conj] [pron] is because	36
19	[conj] [pron] is because	36
20	and [pron] is [conj]	36
21	and [pron] is [conj]	36
22	that [pron] is [conj]	35
23	[conj] [pron] is as	35
24	[conj] [pron] is as	35
25	[that] [pron] is [conj]	35
26	that [pron] is [conj]	35
27	[conj] [pron] is but	33
28	[conj] [pron] is but	33
29	[conj] [pron] is or	29
30	[conj] he is [conj]	29