SN4 ""

No	Pattern	Freq
1	[pron] is [adv] [adv] [adj] that	273
2	[pers pn] is [adv] [adv] [adj] that	261
3	it is [adv] [adv] [adj] that	245
4	it is [adv] [adv] [adj] that	245
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	22
17	is [adv] [adv] [adv] [adj] that	16
18	is [pers pn] [adv] [adv] [adj] that	12
19	is [pron] [adv] [adv] [adj] that	12
20	is it [adv] [adv] [adj] that	11
21	is it [adv] [adv] [adj] that	11
22	is perhaps [adv] [adv] [adj] that	7
23	is perhaps [adv] [adv] [adj] that	7
24	is not [adv] [adv] [adj] that	6
25	is not [adv] [adv] [adj] that	6
26	is [not/n't] [adv] [adv] [adj] that	6
27	is [adv] [adv] [adv] [adj] that	22
28	is [adv] [adv] [adv] [adj] that	15
29	is [adv] [pers pn] [adv] [adj] that	12
30	is [adv] it [adv] [adj] that	12