SN4 ""

No	Pattern	Freq
1	[pron] is [adv] [adv] [adj] that	355
2	[pers pn] is [adv] [adv] [adj] that	343
3	it is [adv] [adv] [adj] that	327
4	it is [adv] [adv] [adj] that	327
5	[noun] is [adv] [adv] [adj] that	87
6	[noun sg] is [adv] [adv] [adj] that	64
7	[noun prp] is [adv] [adv] [adj] that	16
8	he is [adv] [adv] [adj] that	14
9	he is [adv] [adv] [adj] that	13
10	[conj] is [adv] [adv] [adj] that	8
11	which is [adv] [adv] [adj] that	6
12	[noun pl] is [adv] [adv] [adj] that	6
13	which is [adv] [adv] [adj] that	6
14	[coord] is [adv] [adv] [adj] that	6
15	[Wh det] is [adv] [adv] [adj] that	6
16	is [adv] [adv] [adv] [adj] that	24
17	is [adv] [adv] [adv] [adj] that	18
18	is [pron] [adv] [adv] [adj] that	13
19	is [pers pn] [adv] [adv] [adj] that	13
20	is it [adv] [adv] [adj] that	12
21	is it [adv] [adv] [adj] that	12
22	is perhaps [adv] [adv] [adj] that	8
23	is perhaps [adv] [adv] [adj] that	8
24	is not [adv] [adv] [adj] that	6
25	is [not/n't] [adv] [adv] [adj] that	6
26	is not [adv] [adv] [adj] that	6
27	is [adv] [adv] [adv] [adj] that	24
28	is [adv] [adv] [adv] [adj] that	17
29	is [adv] [pers pn] [adv] [adj] that	12
30	is [adv] [pron] [adv] [adj] that	12