SN4 ""

No	Pattern	Freq
1	have [adv] been for	32
2	[verb] [adv] been for	32
3	[vb past] [adv] been for	19
4	had [adv] been for	17
5	[vb -s] [adv] been for	10
6	has [adv] been for	10
7	[adv] [verb] been for	11
8	[adv] have been for	11
9	[adv] been [verb] for	605
10	[adv] been [vb pp] for	499
11	[adv] been [adj] for	105
12	[adv] been [v-ing] for	103
13	[adv] been [adj] for	98
14	[adv] been [adv] for	35
15	[adv] been use for	33
16	[adv] been used for	32
17	[adv] been responsible for	20
18	[adv] been criticise for	20
19	[adv] been criticised for	20
20	[adv] been responsible for	20
21	[adv] been known for	19
22	[adv] been [adv] for	19
23	[adv] been know for	19
24	[adv] been [adv prt] for	16
25	[adv] been waiting for	15
26	[adv] been wait for	15
27	[adv] been [indef pn] for	14
28	[adv] been one for	14
29	[adv] been one for	14
30	[adv] been [pron] for	14