SN4 ""

No	Pattern	Freq
1	[modal v] have been [n mass]	32
2	[vb mod] have been [n mass]	32
3	would have been [n mass]	22
4	would have been [n mass]	21
5	have been [adj] [n mass]	18
6	have been [art] [n mass]	13
7	have been [art] [n mass]	13
8	have been [adv] [n mass]	9
9	have been [adv] [n mass]	9
10	have been a [n mass]	9
11	have been a [n mass]	8
12	have been [det] [n mass]	8
13	have been [verb] [n mass]	8
14	have been [num] [n mass]	7
15	have been [prep] [n mass]	6
16	have been [prep] [n mass]	6
17	have been about [n mass]	5
18	have been [v-ing] [n mass]	5
19	have been about [n mass]	5
20	have been [n mass] [adj]	10
21	have been [n mass] [prep]	5
22	have been [n mass] [prep]	5
23	have been [n mass] [num]	5