SN4 ""

No	Pattern	Freq
1	[noun sg] have been [v-ing] [prep] [adj]	158
2	[noun] had been [v-ing] [prep] [adj]	133
3	[noun] has been [v-ing] [prep] [adj]	130
4	[noun] have been [v-ing] for [adj]	128
5	[noun] have been [v-ing] [prep] [det]	126
6	[noun] have been [v-ing] [prep] [adj]	115
7	[noun] have been [v-ing] [prep] [num]	102
8	[noun prp] have been [v-ing] [prep] [adj]	94
9	[noun pl] have been [v-ing] [prep] [adj]	86
10	[noun] have been [v-ing] [prep] [adj]	82
11	[noun] have been [v-ing] in [adj]	53
12	[noun] have been [v-ing] [prep] some	41
13	[noun] have been [v-ing] [prep] some	41
14	[noun] have been [v-ing] with [adj]	33
15	[noun] have been working [prep] [adj]	29
16	[noun] have been [v-ing] [prep] this	26
17	[noun] have been [v-ing] [prep] this	26
18	[noun] have been [v-ing] since [adj]	24
19	[noun] have been [v-ing] on [adj]	24
20	[noun] have been running [prep] [adj]	21
21	[noun] have been [v-ing] at [adj]	18
22	[noun] have been [v-ing] from [adj]	14
23	[noun] have been [v-ing] to [adj]	14
24	[noun] have been looking [prep] [adj]	13
25	[noun] have been going [prep] [adj]	13
26	[noun] have been [v-ing] [prep] two	12
27	[noun] have been [v-ing] [prep] two	12
28	[noun] have been [v-ing] [prep] recent	11
29	[n mass] have been [v-ing] [prep] [adj]	11
30	[noun] have been [v-ing] [prep] recent	11