SN4 ""

No	Pattern	Freq
1	[vb mod] [adv] have been [vb pp] for	46
2	[modal v] [adv] have been [vb pp] for	46
3	could [adv] have been [vb pp] for	15
4	could [adv] have been [vb pp] for	15
5	might [adv] have been [vb pp] for	10
6	might [adv] have been [vb pp] for	10
7	[noun] [adv] have been [vb pp] for	7
8	[conj] [adv] have been [vb pp] for	7
9	would [adv] have been [vb pp] for	7
10	would [adv] have been [vb pp] for	6
11	should [adv] have been [vb pp] for	5
12	[verb] [adv] have been [vb pp] for	5
13	should [adv] have been [vb pp] for	5
14	may [adv] have been [vb pp] for	5
15	may [adv] have been [vb pp] for	5
16	[adv] [pron] have been [vb pp] for	34
17	[adv] [pers pn] have been [vb pp] for	31
18	[adv] [noun] have been [vb pp] for	25
19	[adv] it have been [vb pp] for	12
20	[adv] it have been [vb pp] for	12
21	[adv] he have been [vb pp] for	10
22	[adv] he have been [vb pp] for	10
23	[adv] [verb] have been [vb pp] for	9
24	[adv] [noun sg] have been [vb pp] for	9
25	[adv] [adj] have been [vb pp] for	9
26	[adv] [vb infin] have been [vb pp] for	7
27	[adv] [noun pl] have been [vb pp] for	7
28	[adv] [n mass] have been [vb pp] for	6
29	[adv] appear have been [vb pp] for	5
30	[adv] have [adv] been [vb pp] for	7