SN4 ""

No	Pattern	Freq
1	[pron] is [adv] that [det]	22
2	[pers pn] is [adv] that [det]	21
3	it is [adv] that [det]	20
4	it is [adv] that [det]	20
5	[noun] is [adv] that [det]	17
6	[noun sg] is [adv] that [det]	16
7	is [adv] [adv] that [det]	12
8	is [adj] [adv] that [det]	11
9	is [adj] [adv] that [det]	11
10	is [verb] [adv] that [det]	9
11	is [not/n't] [adv] that [det]	7
12	is not [adv] that [det]	7
13	is [vb pp] [adv] that [det]	7
14	is not [adv] that [det]	7
15	is [adv] [adv] that [det]	5
16	is [adv] [adj] that [det]	350
17	is [adv] [adj] that [det]	347
18	is [adv] [verb] that [det]	155
19	is [adv] [vb pp] that [det]	136
20	is [adv] true that [det]	36
21	is [adv] true that [det]	36
22	is [adv] clear that [det]	31
23	is [adv] possible that [det]	31
24	is [adv] clear that [det]	31
25	is [adv] possible that [det]	31
26	is [adv] likely that [det]	29
27	is [adv] unlikely that [det]	29
28	is [adv] unlikely that [det]	29
29	is [adv] likely that [det]	29
30	is [adv] important that [det]	20