SN4 ""

No	Pattern	Freq
1	[noun] which have been [adv] [prep]	15
2	[noun sg] which have been [adv] [prep]	10
3	which have been [verb] [adv] [prep]	381
4	which have been [vb pp] [adv] [prep]	332
5	which have been [v-ing] [adv] [prep]	49
6	which have been set [adv] [prep]	38
7	which have been set [adv] [prep]	38
8	which have been put [adv] [prep]	22
9	which have been put [adv] [prep]	22
10	which have been go [adv] [prep]	19
11	which have been going [adv] [prep]	19
12	which have been build [adv] [prep]	19
13	which have been take [adv] [prep]	17
14	which have been taken [adv] [prep]	17
15	which have been brought [adv] [prep]	13
16	which have been bring [adv] [prep]	13
17	which have been drawn [adv] [prep]	12
18	which have been draw [adv] [prep]	12
19	which have been carry [adv] [prep]	11
20	which have been built [adv] [prep]	11
21	which have been carried [adv] [prep]	11
22	which have been building [adv] [prep]	8
23	which have been [adj] [adv] [prep]	7
24	which have been [adj] [adv] [prep]	7
25	which have been handed [adv] [prep]	7
26	which have been hand [adv] [prep]	7
27	which have been break [adv] [prep]	6
28	which have been broken [adv] [prep]	6
29	which have been left [adv] [prep]	5
30	which have been leave [adv] [prep]	5