SN4 ""

No	Pattern	Freq
1	[adv] have been [verb] for	92
2	[adv] have been [adj] for	78
3	[adv] have been [vb pp] for	76
4	[adv] have been [adj] for	70
5	[adv] have been [v-ing] for	14
6	[adv] have been responsible for	12
7	[adv] have been responsible for	12
8	[adv] have been possible for	11
9	[adv] have been possible for	11
10	[adv] have been easy for	9
11	[adv] have been easy for	9
12	[adv] have been use for	8
13	[adv] have been [noun] for	8
14	[adv] have been used for	8
15	[adv] have been [adj -er] for	7
16	[adv] have been good for	7
17	[adv] have been make for	5
18	[adv] have been [adv] for	5
19	[adv] have been [noun sg] for	5
20	[adv] have been better for	5
21	[vb mod] [adv] have been for	8
22	[modal v] [adv] have been for	8
23	could [adv] have been for	6
24	could [adv] have been for	6
25	[adv] [pers pn] have been for	20
26	[adv] [pron] have been for	20
27	[adv] it have been for	7
28	[adv] it have been for	7
29	[adv] they have been for	5
30	[adv] they have been for	5