SN4 ""

No	Pattern	Freq
1	[conj] [pers pn] [modal v] have been [noun]	45
2	[verb] [pers pn] [modal v] have been [noun]	21
3	[coord] [pers pn] [modal v] have been [noun]	19
4	[adv] [pers pn] [modal v] have been [noun]	18
5	[noun] [pers pn] [modal v] have been [noun]	16
6	[adv] [pers pn] [modal v] have been [noun]	16
7	that [pers pn] [modal v] have been [noun]	14
8	that [pers pn] [modal v] have been [noun]	14
9	[that] [pers pn] [modal v] have been [noun]	14
10	[subord] [pers pn] [modal v] have been [noun]	12
11	think [pers pn] [modal v] have been [noun]	11
12	[vb base] [pers pn] [modal v] have been [noun]	10
13	[noun sg] [pers pn] [modal v] have been [noun]	10
14	and [pers pn] [modal v] have been [noun]	7
15	[prep] [pers pn] [modal v] have been [noun]	7
16	and [pers pn] [modal v] have been [noun]	7
17	but [pers pn] [modal v] have been [noun]	7
18	think [pers pn] [modal v] have been [noun]	7
19	[prep] [pers pn] [modal v] have been [noun]	7
20	but [pers pn] [modal v] have been [noun]	7
21	[vb past] [pers pn] [modal v] have been [noun]	6
22	[noun pl] [pers pn] [modal v] have been [noun]	6
23	of [pers pn] [modal v] have been [noun]	6
24	of [pers pn] [modal v] have been [noun]	6
25	or [pers pn] [modal v] have been [noun]	5
26	or [pers pn] [modal v] have been [noun]	5
27	[pers pn] [modal v] [adv] have been [noun]	37
28	[pers pn] [modal v] [adv] have been [noun]	23
29	[pers pn] [modal v] not have been [noun]	14
30	[pers pn] [modal v] [not/n't] have been [noun]	14