SN4 ""

No	Pattern	Freq
1	[vb mod] have been the [num ord]	74
2	[modal v] have been the [num ord]	74
3	would have been the [num ord]	31
4	would have been the [num ord]	30
5	must have been the [num ord]	15
6	must have been the [num ord]	15
7	may have been the [num ord]	12
8	may have been the [num ord]	12
9	[adv] have been the [num ord]	11
10	should have been the [num ord]	6
11	could have been the [num ord]	6
12	[not/n't] have been the [num ord]	6
13	should have been the [num ord]	6
14	could have been the [num ord]	6
15	not have been the [num ord]	6
16	not have been the [num ord]	5
17	[adv] have been the [num ord]	5
18	have been [prep] the [num ord]	22
19	have been [prep] the [num ord]	22
20	have been in the [num ord]	11
21	have been in the [num ord]	11
22	have been among the [num ord]	5
23	have been among the [num ord]	5
24	have been the [num ord] [noun]	49
25	have been the [num ord] [noun sg]	44
26	have been the [num ord] [verb]	12
27	have been the [num ord] [to-vb]	12
28	have been the [num ord] [adj]	7
29	have been the [num ord] [prep]	6
30	have been the [num ord] [prep]	6