SN4 ""

No	Pattern	Freq
1	[conj] [det] have been a [adj]	20
2	[coord] [det] have been a [adj]	7
3	[subord] [det] have been a [adj]	7
4	that [det] have been a [adj]	6
5	[adv] [det] have been a [adj]	6
6	that [det] have been a [adj]	6
7	[adv] [det] have been a [adj]	6
8	[that] [det] have been a [adj]	6
9	[det] [noun] have been a [adj]	53
10	[det] [modal v] have been a [adj]	49
11	[det] [vb mod] have been a [adj]	49
12	[det] [noun sg] have been a [adj]	31
13	[det] [noun pl] have been a [adj]	20
14	[det] would have been a [adj]	17
15	[det] would have been a [adj]	17
16	[det] must have been a [adj]	12
17	[det] must have been a [adj]	12
18	[det] may have been a [adj]	11
19	[det] may have been a [adj]	11
20	[det] year have been a [adj]	6
21	[det] [vb -s] have been a [adj]	6
22	[det] [verb] have been a [adj]	6
23	[det] seems have been a [adj]	5
24	[det] seem have been a [adj]	5
25	[det] could have been a [adj]	5
26	[det] could have been a [adj]	5
27	[det] have [adv] been a [adj]	14
28	[det] have [adv] been a [adj]	12
29	[det] have always been a [adj]	5
30	[det] have always been a [adj]	5