SN4 ""

No	Pattern	Freq
1	[is] [adj] that [prep]	402
2	[is] [adj] that [prep]	388
3	[is] [verb] that [prep]	229
4	[is] [vb pp] that [prep]	186
5	[is] clear that [prep]	82
6	[is] clear that [prep]	82
7	[is] true that [prep]	60
8	[is] true that [prep]	60
9	[is] possible that [prep]	37
10	[is] possible that [prep]	37
11	[is] [adv] that [prep]	37
12	[is] [adv] that [prep]	33
13	[is] likely that [prep]	30
14	[is] likely that [prep]	30
15	[is] say that [prep]	25
16	[is] [v-ing] that [prep]	21
17	[is] [to-vb] that [prep]	20
18	[is] significant that [prep]	20
19	[is] estimate that [prep]	20
20	[is] hope that [prep]	20
21	[is] significant that [prep]	20
22	[is] estimated that [prep]	20
23	[is] hoped that [prep]	18
24	[is] [pron] that [prep]	18
25	[is] [noun] that [prep]	17
26	[is] [noun sg] that [prep]	16
27	[is] said that [prep]	15
28	[is] it that [prep]	14
29	[is] [det] that [prep]	14
30	[is] [pers pn] that [prep]	14