SN4 ""

No	Pattern	Freq
1	is [adj] [verb] that [art]	655
2	is [adj] [verb] that [art]	655
3	is [adj] [to-vb] that [art]	649
4	is [adj] [verb] that [art]	634
5	is [adj] [verb] that the	541
6	is [adj] [verb] that the	541
7	is important [verb] that [art]	165
8	is important [verb] that [art]	165
9	is [adj] note that [art]	109
10	is [adj] to note that [art]	109
11	is [adj] [verb] that a	94
12	is [adj] [verb] that a	83
13	is [adj] to say that [art]	74
14	is [adj] say that [art]	74
15	is interesting [verb] that [art]	61
16	is interesting [verb] that [art]	61
17	is [adj] assume that [art]	39
18	is [adj] to assume that [art]	39
19	is [adj] remember that [art]	38
20	is [adj] to remember that [art]	38
21	is difficult [verb] that [art]	36
22	is difficult [verb] that [art]	36
23	is [adj] to ensure that [art]	35
24	is [adj] ensure that [art]	35
25	is [adj] to believe that [art]	33
26	is [adj] believe that [art]	33
27	is reasonable [verb] that [art]	32
28	is reasonable [verb] that [art]	32
29	is fair [verb] that [art]	26
30	is possible [verb] that [art]	26