SN4 ""

No	Pattern	Freq
1	[verb] is that	2231
2	[vb pp] [is] that	455
3	[vb infin] [is] that	402
4	[to-vb] [is] that	396
5	say [is] that	394
6	[v-ing] [is] that	328
7	[vb -s] [is] that	327
8	[vb base] [is] that	291
9	happen [is] that	173
10	know [is] that	149
11	saying [is] that	148
12	say [is] that	134
13	mean [is] that	123
14	make [is] that	110
15	remember [is] that	82
16	means [is] that	78
17	suggest [is] that	67
18	to remember [is] that	63
19	know [is] that	62
20	happens [is] that	58
21	know [is] that	52
22	note [is] that	51
23	to say [is] that	45
24	to make [is] that	43
25	to note [is] that	39
26	show [is] that	38
27	[vb past] [is] that	36
28	happened [is] that	35
29	have [is] that	34
30	matter [is] that	32