SN4 ""

No	Pattern	Freq
1	[verb] that it is [adv]	1089
2	[noun] that it is [adv]	445
3	[noun sg] that it is [adv]	369
4	be that it is [adv]	272
5	[be] that it is [adv]	272
6	is that it is [adv]	254
7	[is] that it is [adv]	254
8	[vb -s] that it is [adv]	251
9	[vb base] that it is [adv]	247
10	[adv] that it is [adv]	200
11	[adj] that it is [adv]	185
12	[adv] that it is [adv]	173
13	[vb pp] that it is [adv]	170
14	[vb infin] that it is [adv]	170
15	[adj] that it is [adv]	158
16	[to-vb] that it is [adv]	152
17	[conj] that it is [adv]	130
18	[coord] that it is [adv]	119
19	so that it is [adv]	103
20	so that it is [adv]	103
21	and that it is [adv]	91
22	and that it is [adv]	91
23	say that it is [adv]	86
24	mean that it is [adv]	80
25	suggest that it is [adv]	73
26	[v-ing] that it is [adv]	69
27	[noun pl] that it is [adv]	65
28	fact that it is [adv]	55
29	fact that it is [adv]	55
30	believe that it is [adv]	53