SN4 ""

No	Pattern	Freq
1	is [adj] [to-vb] that [adj]	86
2	is [adj] [verb] that [adj]	84
3	is important [verb] that [adj]	17
4	is important [verb] that [adj]	17
5	is [adj] note that [adj]	11
6	is [adj] to note that [adj]	11
7	is [adj] say that [adj]	10
8	is interesting [verb] that [adj]	10
9	is [adj] to say that [adj]	10
10	is interesting [verb] that [adj]	10
11	is [adj] to remember that [adj]	9
12	is [adj] remember that [adj]	9
13	is [adj] to ensure that [adj]	8
14	is [adj] ensure that [adj]	8
15	is right [verb] that [adj]	7
16	is reasonable [verb] that [adj]	7
17	is reasonable [verb] that [adj]	7
18	is right [verb] that [adj]	7
19	is [adj] [verb] that other	6
20	is [adj] to suggest that [adj]	6
21	is [adj] suggest that [adj]	6
22	is [adj] assume that [adj]	5
23	is necessary [verb] that [adj]	5
24	is [adj] to assume that [adj]	5
25	is necessary [verb] that [adj]	5