SN4 ""

No	Pattern	Freq
1	[noun prp] [noun] have been [v-ing]	739
2	[noun sg] [noun] have been [v-ing]	692
3	[noun] [noun prp] have been [v-ing]	672
4	[noun] [noun] has been [v-ing]	648
5	[noun] [noun sg] have been [v-ing]	467
6	[noun] [noun] have been [v-ing]	429
7	[noun] [noun] had been [v-ing]	427
8	[noun] [noun pl] have been [v-ing]	367
9	[noun pl] [noun] have been [v-ing]	98
10	mr [noun] have been [v-ing]	84
11	mr [noun] have been [v-ing]	83
12	[noun] [noun] have been working	71
13	[noun] [noun] have been trying	45
14	[noun] [noun] 's been [v-ing]	39
15	[noun] [noun] have been looking	37
16	[noun] [noun] have been going	33
17	[noun] [n mass] have been [v-ing]	31
18	[noun] [noun] have been running	31
19	[noun] [noun] have been telling	28
20	[noun] [noun] have been using	26
21	year [noun] have been [v-ing]	25
22	[noun] [noun] have been taking	24
23	mrs [noun] have been [v-ing]	23
24	mrs [noun] have been [v-ing]	23
25	years [noun] have been [v-ing]	23
26	[noun] [noun] have been playing	22
27	[noun] [noun] have been doing	20
28	[noun] [noun] have been talking	20
29	[noun] [noun] have been making	19
30	[noun] council have been [v-ing]	19