SN4 ""

No	Pattern	Freq
1	[pers pn] 've been [v-ing] it	98
2	i have been [v-ing] it	81
3	[pers pn] have been doing it	58
4	he have been [v-ing] it	31
5	[pers pn] had been [v-ing] it	28
6	[pers pn] 'd been [v-ing] it	26
7	she have been [v-ing] it	26
8	[pers pn] 's been [v-ing] it	24
9	[pers pn] have been [v-ing] it	23
10	we have been [v-ing] it	22
11	they have been [v-ing] it	21
12	you have been [v-ing] it	21
13	[pers pn] have been using it	8
14	[pers pn] have been taking it	8
15	[pers pn] have been planning it	8
16	[pers pn] have been saying it	7
17	[pers pn] have been giving it	6
18	[pers pn] have been expecting it	6
19	[pers pn] has been [v-ing] it	6
20	[pers pn] have been practising it	5
21	[pers pn] have been thinking it	5