SN4 ""

No	Pattern	Freq
1	[pers pn] have [adv] been [v-ing] to	50
2	[pron] have [adv] been [v-ing] to	36
3	i have [adv] been [v-ing] to	23
4	i have [adv] been [v-ing] to	23
5	[pron] 've [adv] been [v-ing] to	22
6	[pron] have just been [v-ing] to	21
7	[pron] have just been [v-ing] to	21
8	[pron] have [adv] been talking to	19
9	[pron] have [not/n't] been [v-ing] to	15
10	[pron] have not been [v-ing] to	15
11	[pron] have n't been [v-ing] to	11
12	[pron] have [adv] been listening to	10
13	[pron] have [adv] been [v-ing] to	8
14	[pron] had [adv] been [v-ing] to	8
15	she have [adv] been [v-ing] to	7
16	he have [adv] been [v-ing] to	7
17	[pron] have [adv] been speaking to	7
18	he have [adv] been [v-ing] to	7
19	she have [adv] been [v-ing] to	7
20	you have [adv] been [v-ing] to	6
21	you have [adv] been [v-ing] to	6
22	we have [adv] been [v-ing] to	5
23	we have [adv] been [v-ing] to	5
24	[pron] has [adv] been [v-ing] to	5