SN4 ""

No	Pattern	Freq
1	[noun sg] has been [v-ing] [prep]	308
2	[noun sg] had been [v-ing] [prep]	257
3	[noun sg] have been [v-ing] for	170
4	[noun sg] have been [v-ing] in	95
5	[noun sg] have been [v-ing] [prep]	87
6	[noun sg] have been [v-ing] at	60
7	[noun sg] have been [v-ing] on	58
8	[noun sg] have been [v-ing] with	54
9	[noun sg] have been working [prep]	43
10	[noun sg] have been [v-ing] to	39
11	[noun sg] have been [v-ing] since	37
12	[noun sg] have been running [prep]	34
13	[noun sg] 's been [v-ing] [prep]	32
14	[noun sg] have been looking [prep]	31
15	[noun sg] have been going [prep]	27
16	[noun sg] have been [v-ing] from	24
17	[noun sg] have been waiting [prep]	22
18	[noun sg] have been [v-ing] about	21
19	[noun sg] have been talking [prep]	19
20	[noun sg] have been [v-ing] over	18
21	[noun sg] have been living [prep]	17
22	company have been [v-ing] [prep]	16
23	[noun sg] have been [v-ing] through	16
24	[noun sg] have been growing [prep]	14
25	[noun sg] have been operating [prep]	13
26	[noun sg] have been [v-ing] into	13
27	man have been [v-ing] [prep]	11
28	[noun sg] have been suffering [prep]	11
29	[noun sg] have been coming [prep]	11
30	[noun sg] have been playing [prep]	11