SN4 ""

No	Pattern	Freq
1	[adj] [noun] is [verb] that [art]	51
2	[adj] [noun] is [to-vb] that [art]	35
3	[adj] [noun] is [adj] that [art]	25
4	[adj] [noun] is ensure that [art]	17
5	[adj] [noun] is to ensure that [art]	16
6	[adj] [noun] is [adv] that [art]	15
7	[adj] [noun] is [adj] that [art]	13
8	[adj] [noun] is [det] that [art]	12
9	[adj] [noun] is [adv] that [art]	10
10	[adj] [noun] is [vb pp] that [art]	9
11	[adj] [noun] is such that [art]	9
12	[adj] [noun] is such that [art]	9
13	[adj] [noun] is [v-ing] that [art]	7
14	[adj] [noun] is not that [art]	5
15	[adj] [noun] is [not/n't] that [art]	5
16	[adj] [noun] is not that [art]	5
17	[art] [adj] [noun] is that [art]	603
18	[art] [adj] [noun] is that [art]	603
19	the [adj] [noun] is that [art]	510
20	the [adj] [noun] is that [art]	510
21	[adj] [adj] [noun] is that [art]	140
22	[prep] [adj] [noun] is that [art]	93
23	a [adj] [noun] is that [art]	93
24	[prep] [adj] [noun] is that [art]	93
25	[adv] [adj] [noun] is that [art]	92
26	[adv] [adj] [noun] is that [art]	92
27	a [adj] [noun] is that [art]	59
28	[pron] [adj] [noun] is that [art]	57
29	[pos pn] [adj] [noun] is that [art]	55
30	[adj] [adj] [noun] is that [art]	52