SN4 ""

No	Pattern	Freq
1	he had been [v-ing] [prep]	310
2	he had been [v-ing] for	74
3	he had been [v-ing] for	74
4	he had been [v-ing] in	37
5	he had been [v-ing] in	37
6	he had been [v-ing] with	35
7	he had been [v-ing] on	35
8	he had been [v-ing] on	35
9	he had been [v-ing] with	35
10	he had been working [prep]	33
11	he had been [v-ing] at	26
12	he had been [v-ing] at	26
13	he had been [v-ing] to	23
14	he had been [v-ing] to	23
15	he had been looking [prep]	17
16	he had been waiting [prep]	14
17	he had been sitting [prep]	14
18	he had been listening [prep]	11
19	he had been [v-ing] from	11
20	he had been [v-ing] from	11
21	he had been [v-ing] about	10
22	he had been [v-ing] about	10
23	he had been thinking [prep]	10
24	he had been [v-ing] since	8
25	he had been talking [prep]	8
26	he had been speaking [prep]	8
27	he had been [v-ing] since	8
28	he had been [v-ing] of	7
29	he had been staying [prep]	7
30	he had been writing [prep]	7