SN4 ""

No	Pattern	Freq
1	[conj] it is [adv] [adj] that	471
2	[coord] it is [adv] [adj] that	280
3	and it is [adv] [adj] that	152
4	and it is [adv] [adj] that	152
5	but it is [adv] [adj] that	128
6	but it is [adv] [adj] that	128
7	[noun] it is [adv] [adj] that	121
8	[subord] it is [adv] [adj] that	116
9	[adv] it is [adv] [adj] that	96
10	[noun sg] it is [adv] [adj] that	86
11	[adv] it is [adv] [adj] that	76
12	that it is [adv] [adj] that	75
13	that it is [adv] [adj] that	75
14	[that] it is [adv] [adj] that	75
15	[verb] it is [adv] [adj] that	51
16	[vb base] it is [adv] [adj] that	32
17	[noun pl] it is [adv] [adj] that	30
18	so it is [adv] [adj] that	23
19	so it is [adv] [adj] that	23
20	although it is [adv] [adj] that	21
21	although it is [adv] [adj] that	21
22	think it is [adv] [adj] that	20
23	think it is [adv] [adj] that	20
24	[Wh adv] it is [adv] [adj] that	20
25	then it is [adv] [adj] that	17
26	then it is [adv] [adj] that	17
27	so it is [adv] [adj] that	13
28	[adj] it is [adv] [adj] that	13
29	why it is [adv] [adj] that	13
30	why it is [adv] [adj] that	13