SN4 ""

No	Pattern	Freq
1	who [vb past] been [v-ing] [prep]	177
2	who had been [v-ing] [prep]	160
3	who [vb past] been [v-ing] in	42
4	who [vb past] been [v-ing] for	33
5	who [vb past] been [v-ing] on	23
6	who 'd been [v-ing] [prep]	17
7	who [vb past] been [v-ing] with	16
8	who [vb past] been working [prep]	14
9	who [vb past] been living [prep]	12
10	who [vb past] been [v-ing] to	10
11	who [vb past] been sitting [prep]	10
12	who [vb past] been [v-ing] at	9
13	who [vb past] been looking [prep]	8
14	who [vb past] been waiting [prep]	8
15	who [vb past] been missing [prep]	8
16	who [vb past] been standing [prep]	8
17	who [vb past] been listening [prep]	5
18	who [vb past] been staying [prep]	5
19	who [vb past] been [v-ing] from	5