SN4 ""

No	Pattern	Freq
1	have been [v-ing] in	815
2	[vb past] been [v-ing] in	322
3	had been [v-ing] in	279
4	[vb base] been [v-ing] in	214
5	[vb -s] been [v-ing] in	198
6	has been [v-ing] in	158
7	have been [v-ing] in	152
8	[verb] been living in	83
9	[verb] been working in	70
10	[vb infin] been [v-ing] in	70
11	have been [v-ing] in	69
12	've been [v-ing] in	62
13	'd been [v-ing] in	43
14	's been [v-ing] in	40
15	[verb] been happening in	35
16	[verb] been sitting in	31
17	[verb] been doing in	21
18	[verb] been lying in	16
19	[verb] been operating in	16
20	[verb] been acting in	16
21	[verb] been standing in	13
22	[verb] been growing in	13
23	[verb] been playing in	12
24	[verb] been drinking in	12
25	[to-vb] been [v-ing] in	10
26	to have been [v-ing] in	10
27	[verb] been rising in	8
28	[verb] been staying in	8
29	[verb] been sleeping in	7
30	[verb] been waiting in	7