SN4 ""

No	Pattern	Freq
1	[noun] [vb mod] have been [to-vb]	77
2	[noun sg] [vb mod] have been [to-vb]	65
3	[pron] [vb mod] have been [to-vb]	27
4	[pers pn] [vb mod] have been [to-vb]	23
5	it [vb mod] have been [to-vb]	16
6	it [vb mod] have been [to-vb]	16
7	[noun pl] [vb mod] have been [to-vb]	11
8	thing [vb mod] have been [to-vb]	8
9	thing [vb mod] have been [to-vb]	8
10	[det] [vb mod] have been [to-vb]	7
11	[adj] [vb mod] have been [to-vb]	7
12	[verb] [vb mod] have been [to-vb]	6
13	[adv] [vb mod] have been [to-vb]	6
14	[adv] [vb mod] have been [to-vb]	6
15	[vb mod] [adv] have been [to-vb]	12
16	[vb mod] [adv] have been [to-vb]	10
17	[vb mod] have been [adj] [to-vb]	792
18	[vb mod] have been [adj] [to-vb]	699
19	[vb mod] have been [verb] [to-vb]	392
20	[vb mod] have been [vb pp] [to-vb]	347
21	[vb mod] have been able [to-vb]	185
22	[vb mod] have been able [to-vb]	185
23	[vb mod] have been [adj -er] [to-vb]	67
24	[vb mod] have been expect [to-vb]	53
25	[vb mod] have been expected [to-vb]	53
26	[vb mod] have been [v-ing] [to-vb]	43
27	[vb mod] have been used [to-vb]	40
28	[vb mod] have been use [to-vb]	40
29	[vb mod] have been good [to-vb]	37
30	[vb mod] have been better [to-vb]	36