SN4 ""

No	Pattern	Freq
1	[conj] it have [adv] been	1058
2	[subord] it have [adv] been	609
3	if it have [adv] been	304
4	if it have [adv] been	304
5	[coord] it have [adv] been	290
6	[that] it have [adv] been	159
7	that it have [adv] been	159
8	that it have [adv] been	159
9	but it have [adv] been	157
10	but it have [adv] been	157
11	[noun] it have [adv] been	156
12	and it have [adv] been	131
13	and it have [adv] been	131
14	[adv] it have [adv] been	117
15	[noun sg] it have [adv] been	108
16	[verb] it have [adv] been	92
17	[adv] it have [adv] been	87
18	as it have [adv] been	72
19	as it have [adv] been	72
20	because it have [adv] been	52
21	because it have [adv] been	52
22	[pron] it have [adv] been	39
23	than it have [adv] been	37
24	than it have [adv] been	37
25	though it have [adv] been	37
26	though it have [adv] been	37
27	although it have [adv] been	34
28	although it have [adv] been	34
29	[adj] it have [adv] been	34
30	[noun pl] it have [adv] been	34