SN4 ""

No	Pattern	Freq
1	[vb mod] have been [verb] in	519
2	[vb mod] have been [verb] in	515
3	[vb mod] have been [vb pp] in	458
4	would have been [verb] in	122
5	may have been [verb] in	90
6	could have been [verb] in	87
7	should have been [verb] in	75
8	[vb mod] have been [v-ing] in	59
9	must have been [verb] in	54
10	might have been [verb] in	51
11	will have been [verb] in	34
12	[vb mod] have been use in	18
13	[vb mod] have been used in	18
14	[vb mod] have been do in	16
15	[vb mod] have been done in	14
16	[vb mod] have been included in	13
17	[vb mod] have been include in	13
18	[vb mod] have been bear in	11
19	[vb mod] have been make in	10
20	[vb mod] have been born in	10
21	[vb mod] have been made in	10
22	[vb mod] have been take in	7
23	[vb mod] have been taken in	7
24	[vb mod] have been write in	7
25	[vb mod] have been written in	7
26	[vb mod] have been invested in	6
27	[vb mod] have been expect in	6
28	[vb mod] have been produced in	6
29	[vb mod] have been invest in	6
30	[vb mod] have been put in	6