SN4 ""

No	Pattern	Freq
1	[pers pn] had been [v-ing] for	220
2	i have been [v-ing] for	220
3	[pers pn] 've been [v-ing] for	219
4	he have been [v-ing] for	155
5	[pers pn] have been waiting for	143
6	[pers pn] have been [v-ing] for	113
7	we have been [v-ing] for	109
8	[pers pn] have been looking for	96
9	she have been [v-ing] for	93
10	[pers pn] 'd been [v-ing] for	84
11	they have been [v-ing] for	84
12	[pers pn] 's been [v-ing] for	69
13	it have been [v-ing] for	50
14	[pers pn] has been [v-ing] for	49
15	you have been [v-ing] for	42
16	[pers pn] have been working for	39
17	[pers pn] have been doing for	26
18	[pers pn] have been going for	24
19	[pers pn] have been trying for	19
20	[pers pn] have been asking for	15
21	[pers pn] have been hoping for	15
22	[pers pn] have been searching for	14
23	[pers pn] have been travelling for	13
24	[pers pn] have been saying for	11
25	[pers pn] have been playing for	11
26	[pers pn] have been driving for	10
27	[pers pn] have been talking for	10
28	[pers pn] have been fighting for	9
29	[pers pn] have been walking for	9
30	[pers pn] have been living for	9