SN4 ""

No	Pattern	Freq
1	which have been [verb] [prep] the	834
2	which have been [vb pp] [prep] the	803
3	which had been [verb] [prep] the	434
4	which have been [verb] by the	271
5	which have been [verb] by the	271
6	which has been [verb] [prep] the	220
7	which have been [verb] [prep] the	179
8	which have been [verb] in the	144
9	which have been [verb] in the	144
10	which have been [verb] to the	65
11	which have been [verb] to the	65
12	which have been [verb] on the	40
13	which have been [verb] on the	40
14	which have been [verb] at the	36
15	which have been [verb] at the	36
16	which have been [verb] for the	34
17	which have been [verb] for the	34
18	which have been [verb] from the	31
19	which have been [verb] from the	31
20	which have been [v-ing] [prep] the	31
21	which have been [verb] over the	24
22	which have been [verb] over the	24
23	which have been [verb] as the	21
24	which have been make [prep] the	21
25	which have been made [prep] the	21
26	which have been [verb] as the	21
27	which have been [verb] with the	20
28	which have been [verb] with the	20
29	which have been [verb] during the	19
30	which have been [verb] during the	19