SN4 ""

No	Pattern	Freq
1	[verb] been [v-ing] some	119
2	have been [v-ing] some	119
3	[vb base] been [v-ing] some	40
4	[vb past] been [v-ing] some	39
5	[vb -s] been [v-ing] some	31
6	had been [v-ing] some	29
7	've been [v-ing] some	27
8	has been [v-ing] some	20
9	have been [v-ing] some	13
10	's been [v-ing] some	11
11	[adv] been [v-ing] some	10
12	[adv] been [v-ing] some	10
13	'd been [v-ing] some	10
14	have been [v-ing] some	7
15	[vb infin] been [v-ing] some	7
16	been [v-ing] [prep] some	112
17	been [v-ing] [prep] some	112
18	been [v-ing] for some	87
19	been [v-ing] for some	87
20	been [v-ing] [adv] some	13
21	been [v-ing] [adv prt] some	11
22	been [v-ing] at some	10
23	been [v-ing] at some	10
24	been [v-ing] [verb] some	8
25	been [v-ing] [to-vb] some	7
26	been [v-ing] out some	6
27	been [v-ing] out some	6
28	been [v-ing] in some	5
29	been [v-ing] in some	5
30	been [v-ing] some [noun]	73