SN4 ""

No	Pattern	Freq
1	[verb] is that [pron] be [adv]	76
2	[verb] is that [pers pn] [be] [adv]	65
3	[verb] is that [pron] [be] [adv]	51
4	[verb] is that [pron] [am/are] [adv]	38
5	[verb] is that [pron] [is] [adv]	27
6	[verb] is that [pron] [be] [not/n't]	25
7	[verb] is that [pron] [be] not	25
8	[verb] is that it [be] [adv]	24
9	[verb] is that it [be] [adv]	24
10	[verb] is that [pron] [be] not	21
11	[to-vb] is that [pron] [be] [adv]	18
12	[vb infin] is that [pron] [be] [adv]	18
13	[verb] is that [pron] is [adv]	18
14	say is that [pron] [be] [adv]	17
15	[verb] is that [pron] are [adv]	16
16	[verb] is that i [be] [adv]	13
17	[verb] is that i [be] [adv]	13
18	[vb pp] is that [pron] [be] [adv]	12
19	[vb base] is that [pron] [be] [adv]	11
20	[verb] is that [pron] 're [adv]	11
21	[v-ing] is that [pron] [be] [adv]	11
22	[verb] is that [pron] [was/were] [adv]	11
23	[verb] is that they [be] [adv]	10
24	know is that [pron] [be] [adv]	10
25	[verb] is that there [be] [adv]	10
26	[verb] is that [ex0] [be] [adv]	10
27	[verb] is that they [be] [adv]	10
28	[verb] is that there [be] [adv]	10
29	[verb] is that [pron] was [adv]	10
30	[verb] is that [pron] 's [adv]	9