SN4 ""

No	Pattern	Freq
1	have been [v-ing] for	1564
2	had been [v-ing] for	496
3	have been [v-ing] for	294
4	has been [v-ing] for	270
5	have been waiting for	236
6	've been [v-ing] for	222
7	have been looking for	156
8	's been [v-ing] for	110
9	'd been [v-ing] for	88
10	have been working for	66
11	have been [v-ing] for	64
12	have been running for	55
13	have been going for	53
14	have been trying for	40
15	have been doing for	37
16	have been campaigning for	30
17	have been pressing for	28
18	have been missing for	27
19	have been searching for	26
20	have been fighting for	25
21	have been asking for	23
22	have been hoping for	23
23	have been calling for	21
24	have been saying for	20
25	have been playing for	19
26	have been driving for	16
27	have been talking for	15
28	have been operating for	15
29	have been preparing for	14
30	have been travelling for	14