SN4 ""

No	Pattern	Freq
1	[vb pp] is that	454
2	[vb infin] is that	402
3	[to-vb] is that	396
4	say is that	394
5	[v-ing] is that	328
6	[vb -s] is that	327
7	[vb base] is that	288
8	happen is that	173
9	know is that	149
10	saying is that	148
11	say is that	134
12	mean is that	123
13	make is that	110
14	remember is that	82
15	means is that	78
16	suggest is that	67
17	to remember is that	63
18	know is that	62
19	happens is that	58
20	know is that	52
21	note is that	51
22	to say is that	45
23	to make is that	43
24	to note is that	39
25	show is that	38
26	[vb past] is that	36
27	happened is that	35
28	have is that	34
29	matter is that	32
30	ask is that	30