SN4 ""

No	Pattern	Freq
1	[conj] it is [vb pp] that [ex0]	35
2	[subord] it is [vb pp] that [ex0]	21
3	[coord] it is [vb pp] that [ex0]	12
4	if it is [vb pp] that [ex0]	11
5	if it is [vb pp] that [ex0]	11
6	[noun] it is [vb pp] that [ex0]	8
7	and it is [vb pp] that [ex0]	7
8	and it is [vb pp] that [ex0]	7
9	[adv] it is [vb pp] that [ex0]	6
10	[noun sg] it is [vb pp] that [ex0]	6
11	it is [adv] [vb pp] that [ex0]	32
12	it is [adv] [vb pp] that [ex0]	31
13	it is often [vb pp] that [ex0]	6
14	it is often [vb pp] that [ex0]	6
15	it is well [vb pp] that [ex0]	6
16	it is well [vb pp] that [ex0]	6
17	it is [vb pp] [adv] that [ex0]	5
18	it is [vb pp] that [ex0] be	85
19	it is [vb pp] that [ex0] [be]	85
20	it is [vb pp] that [ex0] [vb mod]	45
21	it is [vb pp] that [ex0] [modal v]	45
22	it is [vb pp] that [ex0] [is]	41
23	it is [vb pp] that [ex0] is	40
24	it is [vb pp] that [ex0] [am/are]	32
25	it is [vb pp] that [ex0] are	32
26	it is [vb pp] that [ex0] will	22
27	it is [vb pp] that [ex0] will	22
28	it is [vb pp] that [ex0] [was/were]	12
29	it is [vb pp] that [ex0] [verb]	11
30	it is [vb pp] that [ex0] may	8