SN4 ""

No	Pattern	Freq
1	[pron] have been [v-ing] from	66
2	[noun] have been [v-ing] from	62
3	[pers pn] have been [v-ing] from	45
4	[noun prp] have been [v-ing] from	28
5	[noun sg] have been [v-ing] from	24
6	he have been [v-ing] from	17
7	he have been [v-ing] from	17
8	[Wh pn] have been [v-ing] from	12
9	who have been [v-ing] from	11
10	who have been [v-ing] from	11
11	[noun pl] have been [v-ing] from	10
12	she have been [v-ing] from	9
13	she have been [v-ing] from	9
14	[modal v] have been [v-ing] from	8
15	[vb mod] have been [v-ing] from	8
16	they have been [v-ing] from	7
17	they have been [v-ing] from	7
18	[Wh det] have been [v-ing] from	7
19	which have been [v-ing] from	6
20	which have been [v-ing] from	6
21	i have been [v-ing] from	5
22	i have been [v-ing] from	5
23	have [adv] been [v-ing] from	13
24	have [adv] been [v-ing] from	11
25	have been [vb pp] [v-ing] from	14
26	have been [verb] [v-ing] from	14
27	have been [v-ing] [noun] from	47
28	have been [v-ing] [adv] from	39
29	have been [v-ing] [noun sg] from	22
30	have been [v-ing] [noun pl] from	21