SN4 ""

No	Pattern	Freq
1	have been [verb] for [adj]	296
2	have be [vb pp] for [adj]	230
3	have be [verb] for [det]	127
4	have be [verb] for [adj]	89
5	have be [v-ing] for [adj]	66
6	have be [verb] for [num]	64
7	have be [verb] for some	31
8	have be [verb] for some	31
9	have be [verb] for this	23
10	have be [verb] for this	23
11	have be [verb] for many	22
12	have be [verb] for many	22
13	have be used for [adj]	15
14	have be use for [adj]	15
15	have be [verb] for two	13
16	have be [verb] for two	13
17	have be develop for [adj]	12
18	have be known for [adj]	11
19	have be developed for [adj]	11
20	have be know for [adj]	11
21	have be [verb] for several	10
22	have be made for [adj]	10
23	have be make for [adj]	10
24	have be [verb] for several	10
25	have be [verb] for [adj -er]	8
26	have be [verb] for [num ord]	8
27	have be [verb] for all	7
28	have be wait for [adj]	7
29	have be waiting for [adj]	7
30	have be [verb] for three	7