SN4 ""

No	Pattern	Freq
1	[noun] is that [conj] [pron] [vb base]	117
2	[noun sg] is that [conj] [pron] [vb base]	104
3	[verb] is that [conj] [pron] [vb base]	40
4	[pron] is that [conj] [pron] [vb base]	20
5	[adj] is that [conj] [pron] [vb base]	17
6	[pers pn] is that [conj] [pron] [vb base]	16
7	[det] is that [conj] [pron] [vb base]	15
8	[v-ing] is that [conj] [pron] [vb base]	12
9	say is that [conj] [pron] [vb base]	12
10	[noun pl] is that [conj] [pron] [vb base]	11
11	saying is that [conj] [pron] [vb base]	10
12	it is that [conj] [pron] [vb base]	9
13	thing is that [conj] [pron] [vb base]	9
14	it is that [conj] [pron] [vb base]	9
15	[to-vb] is that [conj] [pron] [vb base]	8
16	thing is that [conj] [pron] [vb base]	8
17	that is that [conj] [pron] [vb base]	7
18	that is that [conj] [pron] [vb base]	7
19	this is that [conj] [pron] [vb base]	7
20	[vb infin] is that [conj] [pron] [vb base]	7
21	this is that [conj] [pron] [vb base]	7
22	[adv] is that [conj] [pron] [vb base]	7
23	problem is that [conj] [pron] [vb base]	6
24	idea is that [conj] [pron] [vb base]	6
25	[vb -s] is that [conj] [pron] [vb base]	6
26	idea is that [conj] [pron] [vb base]	6
27	problem is that [conj] [pron] [vb base]	6
28	[adv] is that [conj] [pron] [vb base]	6
29	point is that [conj] [pron] [vb base]	5
30	point is that [conj] [pron] [vb base]	5