SN4 ""

No	Pattern	Freq
1	had been [v-ing] [prep] the	501
2	have been [v-ing] [prep] the	290
3	have been [v-ing] in the	247
4	has been [v-ing] [prep] the	234
5	have been [v-ing] on the	173
6	have been [v-ing] for the	172
7	've been [v-ing] [prep] the	134
8	have been [v-ing] at the	128
9	have been working [prep] the	114
10	have been [v-ing] to the	89
11	have been [v-ing] with the	89
12	have been [v-ing] [prep] the	87
13	have been looking [prep] the	67
14	have been [v-ing] about the	63
15	'd been [v-ing] [prep] the	61
16	have been [v-ing] over the	59
17	's been [v-ing] [prep] the	53
18	have been sitting [prep] the	48
19	have been talking [prep] the	47
20	have been going [prep] the	42
21	have been [v-ing] since the	39
22	have been doing [prep] the	38
23	have been [v-ing] from the	37
24	have been happening [prep] the	37
25	have been living [prep] the	35
26	have been [v-ing] into the	34
27	have been waiting [prep] the	33
28	have been standing [prep] the	33
29	have been [v-ing] through the	29
30	have been listening [prep] the	23