SN4 ""

No	Pattern	Freq
1	is [adv] [verb] that [det]	217
2	is [adv] [verb] that [det]	155
3	is [adv] [vb pp] that [det]	154
4	is not [verb] that [det]	62
5	is [not/n't] [verb] that [det]	62
6	is not [verb] that [det]	62
7	is [adv] [verb] that this	50
8	is [adv] [to-vb] that [det]	44
9	is [adv] say that [det]	42
10	is [adv] to say that [det]	29
11	is [adv] [verb] that such	29
12	is [adv] [verb] that all	28
13	is [adv] [verb] that these	23
14	is generally [verb] that [det]	21
15	is generally [verb] that [det]	21
16	is [adv] [verb] that some	20
17	is [adv] assume that [det]	18
18	is [adv] assumed that [det]	17
19	is [adv] known that [det]	17
20	is [adv] know that [det]	17
21	is [adv] [verb] that any	17
22	is [adv] [v-ing] that [det]	15
23	is [adv] suggest that [det]	15
24	is now [verb] that [det]	14
25	is now [verb] that [det]	14
26	is [adv] accept that [det]	14
27	is [adv] accepted that [det]	14
28	is well [verb] that [det]	14
29	is well [verb] that [det]	14
30	is often [verb] that [det]	13