SN4 ""

No	Pattern	Freq
1	[conj] [adv] it is [vb pp] that	21
2	[coord] [adv] it is [vb pp] that	17
3	and [adv] it is [vb pp] that	11
4	and [adv] it is [vb pp] that	11
5	but [adv] it is [vb pp] that	6
6	but [adv] it is [vb pp] that	6
7	[adv] [adv] it is [vb pp] that	5
8	[noun] [adv] it is [vb pp] that	5
9	[adv] [conj] it is [vb pp] that	59
10	[adv] [subord] it is [vb pp] that	48
11	[adv] if it is [vb pp] that	25
12	[adv] if it is [vb pp] that	25
13	[adv] when it is [vb pp] that	9
14	[adv] [coord] it is [vb pp] that	9
15	[adv] when it is [vb pp] that	9
16	[adv] because it is [vb pp] that	8
17	[adv] because it is [vb pp] that	8
18	[adv] and it is [vb pp] that	7
19	[adv] and it is [vb pp] that	7
20	[adv] it is [adv] [vb pp] that	31
21	[adv] it is [adv] [vb pp] that	29
22	[adv] it is sometimes [vb pp] that	5
23	[adv] it is sometimes [vb pp] that	5
24	[adv] it is [vb pp] that [art]	39
25	[adv] it is [vb pp] that [art]	39
26	[adv] it is [vb pp] that the	33
27	[adv] it is [vb pp] that the	33
28	[adv] it is [vb pp] that [noun]	16
29	[adv] it is [vb pp] that [adj]	15
30	[adv] it is [vb pp] that [pron]	14