SN4 ""

No	Pattern	Freq
1	[noun sg] is [conj] the	2939
2	[noun sg] is that the	2718
3	[noun sg] is [that] the	2718
4	[noun sg] is that the	2718
5	[noun sg] is [subord] the	194
6	[noun sg] is whether the	148
7	[noun sg] is whether the	148
8	problem is [conj] the	136
9	point is [conj] the	132
10	result is [conj] the	80
11	question is [conj] the	77
12	view is [conj] the	76
13	fact is [conj] the	74
14	reason is [conj] the	57
15	possibility is [conj] the	55
16	thing is [conj] the	44
17	difference is [conj] the	44
18	theory is [conj] the	43
19	argument is [conj] the	40
20	explanation is [conj] the	38
21	truth is [conj] the	36
22	answer is [conj] the	35
23	difficulty is [conj] the	29
24	suggestion is [conj] the	28
25	concern is [conj] the	27
26	[noun sg] is [coord] the	27
27	assumption is [conj] the	26
28	news is [conj] the	26
29	implication is [conj] the	25
30	idea is [conj] the	24