SN4 ""

No	Pattern	Freq
1	[noun] [conj] have been [verb] for	173
2	[noun] that have been [verb] for	133
3	[noun] [that] have been [verb] for	133
4	[noun] that have been [verb] for	133
5	[noun] [conj] have been [vb pp] for	130
6	[noun sg] [conj] have been [verb] for	114
7	[noun] [conj] has been [verb] for	62
8	[noun pl] [conj] have been [verb] for	51
9	[noun] [conj] had been [verb] for	50
10	[noun] [conj] have been [v-ing] for	43
11	[noun] [conj] have been [verb] for	42
12	[noun] [coord] have been [verb] for	35
13	[noun] and have been [verb] for	31
14	[noun] and have been [verb] for	31
15	[noun] [conj] have been use for	18
16	[noun] [conj] have been used for	18
17	[noun] [conj] 's been [verb] for	17
18	[noun] [conj] have been make for	8
19	[noun] [conj] have been made for	8
20	[noun] [conj] have been develop for	6
21	[noun prp] [conj] have been [verb] for	6
22	[noun] [conj] have been developed for	5
23	[noun] [conj] have been running for	5
24	[noun] [conj] have been proposed for	5
25	[noun] [conj] have been propose for	5
26	[noun] [subord] have been [verb] for	5
27	[noun] [conj] have been run for	5