SN4 ""

No	Pattern	Freq
1	[pron] have [been] for a [adj]	18
2	[pers pn] have [been] for a [adj]	16
3	it have [been] for a [adj]	6
4	it have [been] for a [adj]	6
5	[noun] have [been] for a [adj]	5
6	have [adv] [been] for a [adj]	10
7	have [not/n't] [been] for a [adj]	10
8	have not [been] for a [adj]	10
9	have n't [been] for a [adj]	9
10	have [been] [verb] for a [adj]	216
11	have [been] [vb pp] for a [adj]	143
12	have [been] [v-ing] for a [adj]	73
13	have [been] [adj] for a [adj]	63
14	have [been] [adj] for a [adj]	61
15	have [been] [adv] for a [adj]	34
16	have [been] [adv] for a [adj]	20
17	have [been] [adv prt] for a [adj]	14
18	have [been] around for a [adj]	12
19	have [been] around for a [adj]	12
20	have [been] [noun] for a [adj]	11
21	have [been] looking for a [adj]	10
22	have [been] look for a [adj]	10
23	have [been] known for a [adj]	9
24	have [been] know for a [adj]	9
25	have [been] ill for a [adj]	8
26	have [been] responsible for a [adj]	8
27	have [been] responsible for a [adj]	8
28	have [been] ill for a [adj]	8
29	have [been] extend for a [adj]	6
30	have [been] extended for a [adj]	6