SN4 ""

No	Pattern	Freq
1	[vb mod] have been [adv]	2776
2	would have been [adv]	1183
3	must have been [adv]	535
4	[vb mod] have been more	318
5	may have been [adv]	279
6	might have been [adv]	251
7	could have been [adv]	243
8	[vb mod] have been very	218
9	should have been [adv]	197
10	[vb mod] have been quite	125
11	[vb mod] have been there	119
12	[vb mod] have been so	118
13	[vb mod] have been too	110
14	[vb mod] have been much	97
15	[vb mod] have been better	75
16	'd have been [adv]	69
17	[vb mod] have been less	67
18	[vb mod] have been about	67
19	[vb mod] have been just	66
20	[vb mod] have been even	65
21	[vb mod] have been as	60
22	[vb mod] have been here	54
23	[vb mod] have been all	51
24	[vb mod] have been far	42
25	will have been [adv]	40
26	[vb mod] 've been [adv]	39
27	[vb mod] have been well	34
28	[vb mod] have been almost	33
29	[vb mod] have been pretty	33
30	[vb mod] have been rather	29