SN4 ""

No	Pattern	Freq
1	[subord] [pers pn] had been [prep]	501
2	[subord] [pers pn] have been in	401
3	as [pers pn] have been [prep]	251
4	[subord] it have been [prep]	238
5	[subord] they have been [prep]	208
6	than [pers pn] have been [prep]	203
7	[subord] he have been [prep]	186
8	if [pers pn] have been [prep]	168
9	[subord] [pers pn] 've been [prep]	156
10	[subord] i have been [prep]	148
11	[subord] [pers pn] have been [prep]	121
12	[subord] [pers pn] 'd been [prep]	121
13	[subord] she have been [prep]	109
14	[subord] [pers pn] have been for	105
15	[subord] [pers pn] have been on	103
16	[subord] [pers pn] have been to	98
17	[subord] you have been [prep]	96
18	[subord] [pers pn] have been at	90
19	[subord] [pers pn] has been [prep]	85
20	when [pers pn] have been [prep]	72
21	since [pers pn] have been [prep]	69
22	[subord] [pers pn] 's been [prep]	61
23	[subord] we have been [prep]	60
24	because [pers pn] have been [prep]	55
25	after [pers pn] have been [prep]	50
26	[subord] [pers pn] have been with	41
27	[subord] [pers pn] have been through	33
28	[subord] [pers pn] have been before	28
29	where [pers pn] have been [prep]	28
30	though [pers pn] have been [prep]	26