SN4 ""

No	Pattern	Freq
1	had been [v-ing] to	118
2	have been talking to	115
3	've been [v-ing] to	106
4	have been [v-ing] to	82
5	has been [v-ing] to	74
6	have been listening to	64
7	have been going to	46
8	have been [v-ing] to	46
9	'd been [v-ing] to	38
10	's been [v-ing] to	37
11	have been coming to	32
12	have been speaking to	21
13	have been happening to	21
14	have been trying to	15
15	have been saying to	15
16	have been referring to	12
17	have been writing to	11
18	have been doing to	9
19	have been lying to	7
20	have been chatting to	7
21	have been responding to	6
22	have been clinging to	5