SN4 ""

No	Pattern	Freq
1	[vb mod] have been [verb]	7006
2	[vb mod] have been [vb pp]	5959
3	would have been [verb]	1659
4	could have been [verb]	1153
5	may have been [verb]	1112
6	[vb mod] have been [v-ing]	1003
7	might have been [verb]	907
8	should have been [verb]	882
9	must have been [verb]	793
10	will have been [verb]	438
11	[vb mod] have been make	191
12	[vb mod] have been made	180
13	[vb mod] have been expect	168
14	[vb mod] have been use	163
15	[vb mod] have been expected	160
16	[vb mod] have been do	155
17	[vb mod] have been used	151
18	[vb mod] have been [to-vb]	134
19	[vb mod] have been done	113
20	[vb mod] have been give	102
21	[vb mod] have been take	98
22	[vb mod] have been given	93
23	[vb mod] have been taken	82
24	'd have been [verb]	77
25	[vb mod] have been avoided	76
26	[vb mod] have been avoid	76
27	[vb mod] have been put	71
28	[vb mod] have been think	62
29	[vb mod] 've been [verb]	61
30	[vb mod] have been write	60