SN4 ""

No	Pattern	Freq
1	[noun sg] is that [pron] is	652
2	[noun sg] is [that] [pron] is	652
3	[noun sg] is that [pron] is	652
4	[noun sg] is [conj] [pers pn] is	492
5	[noun sg] is [conj] it is	438
6	[noun sg] is [conj] it is	438
7	[noun sg] is [conj] there is	200
8	[noun sg] is [conj] there is	200
9	[noun sg] is [conj] [ex0] is	200
10	[noun sg] is [subord] [pron] is	52
11	[noun sg] is [conj] he is	42
12	[noun sg] is [conj] he is	42
13	problem is [conj] [pron] is	40
14	[noun sg] is whether [pron] is	25
15	answer is [conj] [pron] is	25
16	[noun sg] is whether [pron] is	25
17	view is [conj] [pron] is	23
18	point is [conj] [pron] is	22
19	[noun sg] is [conj] she is	12
20	truth is [conj] [pron] is	12
21	[noun sg] is [conj] she is	12
22	[noun sg] is because [pron] is	11
23	fact is [conj] [pron] is	11
24	[noun sg] is because [pron] is	11
25	thing is [conj] [pron] is	10
26	[noun sg] is [conj] what is	10
27	reason is [conj] [pron] is	10
28	[noun sg] is [conj] [Wh det] is	10
29	[noun sg] is [conj] what is	10
30	explanation is [conj] [pron] is	9