SN4 ""

No	Pattern	Freq
1	[conj] [adv] it is [vb pp] that	25
2	[coord] [adv] it is [vb pp] that	19
3	and [adv] it is [vb pp] that	13
4	and [adv] it is [vb pp] that	13
5	[noun] [adv] it is [vb pp] that	13
6	[num] [adv] it is [vb pp] that	6
7	[noun sg] [adv] it is [vb pp] that	6
8	[subord] [adv] it is [vb pp] that	6
9	[adj] [adv] it is [vb pp] that	6
10	but [adv] it is [vb pp] that	6
11	but [adv] it is [vb pp] that	6
12	[adv] [adv] it is [vb pp] that	5
13	[noun pl] [adv] it is [vb pp] that	5
14	[adv] [conj] it is [vb pp] that	67
15	[adv] [subord] it is [vb pp] that	51
16	[adv] if it is [vb pp] that	25
17	[adv] if it is [vb pp] that	25
18	[adv] [coord] it is [vb pp] that	14
19	[adv] when it is [vb pp] that	11
20	[adv] when it is [vb pp] that	11
21	[adv] and it is [vb pp] that	10
22	[adv] and it is [vb pp] that	10
23	[adv] because it is [vb pp] that	9
24	[adv] because it is [vb pp] that	9
25	[adv] [adv] it is [vb pp] that	5
26	[adv] [adv] it is [vb pp] that	5
27	[adv] [verb] it is [vb pp] that	5
28	[adv] it is [adv] [vb pp] that	33
29	[adv] it is [adv] [vb pp] that	31
30	[adv] it is sometimes [vb pp] that	5