SN4 ""

No	Pattern	Freq
1	[noun] that have been [v-ing]	259
2	[noun] that have been [v-ing]	259
3	[noun] [that] have been [v-ing]	259
4	[noun sg] [conj] have been [v-ing]	241
5	[noun] [conj] had been [v-ing]	152
6	[noun] [conj] has been [v-ing]	111
7	[noun] [coord] have been [v-ing]	104
8	[noun] and have been [v-ing]	98
9	[noun] and have been [v-ing]	98
10	[noun pl] [conj] have been [v-ing]	93
11	[noun] [conj] have been [v-ing]	67
12	[noun] [conj] 's been [v-ing]	34
13	[noun] [conj] have been going	31
14	[noun prp] [conj] have been [v-ing]	20
15	[noun] [conj] have been taking	11
16	[noun] [conj] have been running	10
17	question [conj] have been [v-ing]	9
18	thing [conj] have been [v-ing]	9
19	[noun] [conj] have been growing	9
20	[n mass] [conj] have been [v-ing]	9
21	company [conj] have been [v-ing]	8
22	[noun] [conj] have been working	8
23	question [conj] have been [v-ing]	7
24	[noun] [conj] have been missing	7
25	[noun] [conj] have been living	7
26	[noun] [conj] have been doing	7
27	[noun] [conj] have been waiting	6
28	year [conj] have been [v-ing]	6
29	people [conj] have been [v-ing]	6
30	people [conj] have been [v-ing]	6