SN4 ""

No	Pattern	Freq
1	[subord] [pers pn] have been in	401
2	[subord] [pers pn] had [been] in	216
3	[subord] it have [been] in	103
4	[subord] they have [been] in	99
5	as [pers pn] have [been] in	88
6	than [pers pn] have [been] in	86
7	[subord] he have [been] in	79
8	if [pers pn] have [been] in	75
9	[subord] [pers pn] have [been] in	53
10	[subord] i have [been] in	48
11	[subord] [pers pn] 've [been] in	43
12	[subord] [pers pn] 'd [been] in	35
13	[subord] [pers pn] has [been] in	34
14	since [pers pn] have [been] in	32
15	when [pers pn] have [been] in	30
16	[subord] you have [been] in	29
17	[subord] she have [been] in	24
18	[subord] [pers pn] 's [been] in	20
19	because [pers pn] have [been] in	20
20	[subord] we have [been] in	19
21	though [pers pn] have [been] in	13
22	while [pers pn] have [been] in	12
23	although [pers pn] have [been] in	10
24	after [pers pn] have [been] in	9
25	until [pers pn] have [been] in	6