SN4 ""

No	Pattern	Freq
1	[conj] this [vb mod] have [be]	82
2	[conj] this [vb mod] have be	82
3	[conj] this [vb mod] have been	82
4	[conj] this [vb mod] have [been]	82
5	[coord] this [vb mod] have [be]	30
6	[subord] this [vb mod] have [be]	27
7	[conj] this may have [be]	26
8	[that] this [vb mod] have [be]	25
9	that this [vb mod] have [be]	25
10	that this [vb mod] have [be]	25
11	and this [vb mod] have [be]	19
12	and this [vb mod] have [be]	19
13	[conj] this would have [be]	19
14	[conj] this could have [be]	12
15	though this [vb mod] have [be]	12
16	though this [vb mod] have [be]	12
17	but this [vb mod] have [be]	11
18	but this [vb mod] have [be]	11
19	[conj] this might have [be]	11
20	[conj] this should have [be]	7
21	[conj] this must have [be]	6
22	although this [vb mod] have [be]	5
23	although this [vb mod] have [be]	5