SN4 ""

No	Pattern	Freq
1	it have been [verb] [prep] the	463
2	it have been [vb pp] [prep] the	444
3	it has been [verb] [prep] the	239
4	it had been [verb] [prep] the	169
5	it have been [verb] by the	139
6	it have been [verb] by the	139
7	it have been [verb] in the	89
8	it have been [verb] in the	89
9	it 's been [verb] [prep] the	52
10	it have been [verb] to the	43
11	it have been [verb] to the	43
12	it have been [verb] on the	34
13	it have been [verb] on the	34
14	it have been [verb] from the	26
15	it have been [verb] from the	26
16	it have been [verb] for the	21
17	it have been [verb] for the	21
18	it have been [verb] as the	18
19	it have been [verb] as the	18
20	it have been [v-ing] [prep] the	18
21	it have been [verb] at the	16
22	it have been [verb] at the	16
23	it have been [verb] with the	14
24	it have been [verb] with the	14
25	it have been [verb] into the	13
26	it have been [verb] into the	13
27	it have been hold [prep] the	12
28	it have been held [prep] the	11
29	it have been use [prep] the	9
30	it have been suggested [prep] the	9