SN4 ""

No	Pattern	Freq
1	have been [adj] for	1315
2	had be [adj] for	387
3	have be [adj] for	297
4	has be [adj] for	297
5	have be responsible for	262
6	have be [adj] for	193
7	have be married for	56
8	have be dead for	49
9	's be [adj] for	46
10	have be possible for	43
11	've be [adj] for	40
12	have be available for	38
13	have be good for	32
14	have be easy for	30
15	have be empty for	29
16	have be ill for	28
17	have be unemployed for	27
18	have be difficult for	25
19	to have be [adj] for	25
20	have be necessary for	25
21	have be asleep for	23
22	'd be [adj] for	21
23	have be impossible for	17
24	have be ready for	14
25	have be open for	13
26	have be hard for	12
27	have be present for	11
28	having be [adj] for	10
29	have be concerned for	10
30	have be clear for	10