SN4 ""

No	Pattern	Freq
1	[pers pn] have been [v-ing] it [prep]	88
2	[pers pn] have been [v-ing] it [prep]	88
3	[pers pn] have been [v-ing] it for	56
4	[pers pn] have been [v-ing] it for	56
5	[pers pn] 've been [v-ing] it [prep]	41
6	i have been [v-ing] it [prep]	32
7	[pers pn] have been doing it [prep]	32
8	he have been [v-ing] it [prep]	16
9	[pers pn] had been [v-ing] it [prep]	14
10	[pers pn] 'd been [v-ing] it [prep]	13
11	[pers pn] 's been [v-ing] it [prep]	12
12	she have been [v-ing] it [prep]	11
13	we have been [v-ing] it [prep]	10
14	you have been [v-ing] it [prep]	10
15	they have been [v-ing] it [prep]	8
16	[pers pn] have been [v-ing] it to	7
17	[pers pn] have been [v-ing] it to	7
18	[pers pn] have been using it [prep]	6
19	[pers pn] have been [v-ing] it [prep]	6
20	[pers pn] have been planning it [prep]	6
21	[pers pn] have been [v-ing] it on	5
22	[pers pn] have been [v-ing] it on	5
23	[pers pn] have been saying it [prep]	5