SN4 ""

No	Pattern	Freq
1	[pron] have been for a	36
2	[pers pn] have been for a	33
3	it have been for a	12
4	it have been for a	12
5	[noun] have been for a	11
6	i have been for a	8
7	[noun sg] have been for a	8
8	i have been for a	8
9	and have been for a	6
10	they have been for a	6
11	they have been for a	6
12	[conj] have been for a	6
13	[coord] have been for a	6
14	and have been for a	6
15	have [adv] been for a	25
16	have [not/n't] been for a	21
17	have not been for a	21
18	have n't been for a	15
19	have not been for a	6
20	have been [verb] for a	548
21	have been [vb pp] for a	332
22	have been [v-ing] for a	215
23	have been [adj] for a	136
24	have been [adj] for a	134
25	have been [adv] for a	100
26	have been [adv prt] for a	55
27	have been [adv] for a	45
28	have been look for a	28
29	have been around for a	27
30	have been around for a	27