SN4 ""

No	Pattern	Freq
1	[pers pn] [is] [adv] that [art]	178
2	[pron] [is] [adv] that [art]	178
3	it [is] [adv] that [art]	177
4	it [is] [adv] that [art]	176
5	[noun] [is] [adv] that [art]	67
6	[noun sg] [is] [adv] that [art]	59
7	[adj] [is] [adv] that [art]	9
8	point [is] [adv] that [art]	7
9	point [is] [adv] that [art]	7
10	[det] [is] [adv] that [art]	7
11	this [is] [adv] that [art]	6
12	[verb] [is] [adv] that [art]	6
13	this [is] [adv] that [art]	6
14	[noun pl] [is] [adv] that [art]	5
15	reason [is] [adv] that [art]	5
16	problem [is] [adv] that [art]	5
17	problem [is] [adv] that [art]	5
18	reason [is] [adv] that [art]	5
19	[is] [adv] [adv] that [art]	91
20	[is] [verb] [adv] that [art]	65
21	[is] not [adv] that [art]	59
22	[is] [not/n't] [adv] that [art]	59
23	[is] [vb pp] [adv] that [art]	59
24	[is] not [adv] that [art]	56
25	[is] [adj] [adv] that [art]	54
26	[is] [adj] [adv] that [art]	51
27	[is] [adv] [adv] that [art]	32
28	[is] only [adv] that [art]	17
29	[is] only [adv] that [art]	17
30	[is] clear [adv] that [art]	7