SN4 ""

No	Pattern	Freq
1	[noun] is [adv] [adj] that it	122
2	[noun sg] is [adv] [adj] that it	104
3	[pron] is [adv] [adj] that it	77
4	[pers pn] is [adv] [adj] that it	70
5	it is [adv] [adj] that it	68
6	it is [adv] [adj] that it	68
7	[noun pl] is [adv] [adj] that it	9
8	[noun prp] is [adv] [adj] that it	7
9	[adj] is [adv] [adj] that it	7
10	[verb] is [adv] [adj] that it	5
11	is [adv] [adv] [adj] that it	38
12	is [adv] [adv] [adj] that it	31
13	is now [adv] [adj] that it	11
14	is now [adv] [adj] that it	11
15	is so [adv] [adj] that it	8
16	is so [adv] [adj] that it	8
17	is not [adv] [adj] that it	7
18	is not [adv] [adj] that it	7
19	is [not/n't] [adv] [adj] that it	7
20	is [adv] [adv] [adj] that it	31
21	is [adv] [adv] [adj] that it	31
22	is [adv] so [adj] that it	19
23	is [adv] so [adj] that it	19
24	is [adv] [adj] [prep] that it	25
25	is [adv] [adj] in that it	25
26	is [adv] [adj] in that it	25
27	is [adv] [adj] [prep] that it	25
28	is [adv] [adj] [verb] that it	15
29	is [adv] [adj] [to-vb] that it	14
30	is [adv] [adj] [be] that it	9