SN4 ""

No	Pattern	Freq
1	[Wh pn] have [been] [v-ing]	1038
2	[Wh pn] have been [v-ing]	1038
3	[Wh pn] have be [v-ing]	1038
4	who have [be] [v-ing]	1024
5	[Wh pn] had [be] [v-ing]	475
6	[Wh pn] has [be] [v-ing]	200
7	[Wh pn] have [be] [v-ing]	175
8	[Wh pn] 's [be] [v-ing]	85
9	[Wh pn] 'd [be] [v-ing]	58
10	[Wh pn] 've [be] [v-ing]	44
11	[Wh pn] have [be] working	39
12	[Wh pn] have [be] doing	33
13	[Wh pn] have [be] watching	33
14	[Wh pn] have [be] living	26
15	[Wh pn] have [be] waiting	25
16	[Wh pn] have [be] missing	23
17	[Wh pn] have [be] sitting	22
18	[Wh pn] have [be] playing	22
19	[Wh pn] have [be] looking	22
20	[Wh pn] have [be] fighting	20
21	[Wh pn] have [be] trying	19
22	[Wh pn] have [be] having	17
23	[Wh pn] have [be] standing	15
24	[Wh pn] have [be] drinking	15
25	[Wh pn] have [be] talking	14
26	[Wh pn] have [be] acting	12
27	[Wh pn] have [be] running	12
28	[Wh pn] have [be] taking	11
29	whom have [be] [v-ing]	11
30	[Wh pn] have [be] helping	10