SN4 ""

No	Pattern	Freq
1	[conj] it have n't [been]	235
2	[subord] it have n't [been]	178
3	if it have n't [been]	156
4	if it have n't [been]	156
5	[coord] it have n't [been]	43
6	but it have n't [been]	22
7	but it have n't [been]	22
8	and it have n't [been]	21
9	and it have n't [been]	21
10	[verb] it have n't [been]	20
11	[adv] it have n't [been]	19
12	[adv] it have n't [been]	16
13	that it have n't [been]	14
14	[that] it have n't [been]	14
15	that it have n't [been]	14
16	[noun] it have n't [been]	10
17	[adj] it have n't [been]	9
18	[adj] it have n't [been]	7
19	[vb base] it have n't [been]	7
20	say it have n't [been]	7
21	though it have n't [been]	6
22	though it have n't [been]	6
23	[noun pl] it have n't [been]	5
24	[noun sg] it have n't [been]	5
25	because it have n't [been]	5
26	[vb past] it have n't [been]	5
27	because it have n't [been]	5
28	it [adv] have n't [been]	16
29	it [adv] have n't [been]	16
30	it have n't [adv] [been]	33