SN4 ""

No	Pattern	Freq
1	that [vb mod] have been [verb] [prep]	135
2	that [vb mod] have been [vb pp] [prep]	133
3	that [vb mod] have been [verb] by	48
4	that could have been [verb] [prep]	33
5	that might have been [verb] [prep]	33
6	that would have been [verb] [prep]	26
7	that [vb mod] have been [verb] in	26
8	that should have been [verb] [prep]	19
9	that may have been [verb] [prep]	16
10	that [vb mod] have been [verb] on	9
11	that must have been [verb] [prep]	8
12	that [vb mod] have been make [prep]	7
13	that [vb mod] have been made [prep]	7
14	that [vb mod] have been [verb] from	6
15	that [vb mod] have been [verb] as	6
16	that [vb mod] have been [verb] at	6
17	that [vb mod] have been [verb] to	6