SN4 ""

No	Pattern	Freq
1	[prep] [pron] it have been [adj]	8
2	[prep] [pron] it have been [adj]	8
3	[pron] [verb] it have been [adj]	19
4	[pron] [conj] it have been [adj]	11
5	[pron] [vb past] it have been [adj]	10
6	[pron] [that] it have been [adj]	6
7	[pron] that it have been [adj]	6
8	[pron] think it have been [adj]	6
9	[pron] that it have been [adj]	6
10	[pron] [vb base] it have been [adj]	6
11	[pron] think it have been [adj]	5
12	[pron] it [modal v] have been [adj]	9
13	[pron] it [vb mod] have been [adj]	9
14	[pron] it would have been [adj]	8
15	[pron] it would have been [adj]	8
16	[pron] it have [adv] been [adj]	7
17	[pron] it have [not/n't] been [adj]	6
18	[pron] it have not been [adj]	6
19	[pron] it have not been [adj]	6
20	[pron] it have been [adv] [adj]	7
21	[pron] it have been [adv] [adj]	7
22	[pron] it have been [adj] [verb]	5
23	[pron] it have been [adj] [to-vb]	5