SN4 ""

No	Pattern	Freq
1	[Wh pn] have been [v-ing] [prep]	337
2	who have been [v-ing] [prep]	332
3	[Wh pn] had been [v-ing] [prep]	161
4	[Wh pn] have been [v-ing] for	84
5	[Wh pn] have been [v-ing] for	84
6	[Wh pn] has been [v-ing] [prep]	70
7	[Wh pn] have been [v-ing] in	68
8	[Wh pn] have been [v-ing] in	68
9	[Wh pn] have been [v-ing] [prep]	59
10	[Wh pn] have been [v-ing] on	38
11	[Wh pn] have been [v-ing] on	38
12	[Wh pn] have been [v-ing] with	31
13	[Wh pn] have been [v-ing] with	31
14	[Wh pn] have been working [prep]	29
15	[Wh pn] have been [v-ing] to	26
16	[Wh pn] have been [v-ing] to	26
17	[Wh pn] 's been [v-ing] [prep]	21
18	[Wh pn] have been living [prep]	21
19	[Wh pn] have been missing [prep]	20
20	[Wh pn] 'd been [v-ing] [prep]	17
21	[Wh pn] have been looking [prep]	17
22	[Wh pn] have been waiting [prep]	15
23	[Wh pn] have been [v-ing] at	14
24	[Wh pn] have been [v-ing] at	14
25	[Wh pn] have been [v-ing] from	12
26	[Wh pn] have been [v-ing] from	12
27	[Wh pn] have been sitting [prep]	10
28	[Wh pn] have been standing [prep]	9
29	[Wh pn] have been [v-ing] as	9
30	[Wh pn] have been [v-ing] as	9