SN4 ""

No	Pattern	Freq
1	[pers pn] have been doing [prep]	83
2	[pers pn] 've been doing [prep]	29
3	[pers pn] have been doing for	26
4	[pers pn] have been doing for	26
5	[pers pn] have been doing [prep]	20
6	we have been doing [prep]	19
7	[pers pn] had been doing [prep]	17
8	i have been doing [prep]	17
9	he have been doing [prep]	15
10	[pers pn] have been doing in	15
11	[pers pn] have been doing in	15
12	you have been doing [prep]	14
13	[pers pn] 'd been doing [prep]	9
14	they have been doing [prep]	9
15	[pers pn] have been doing to	8
16	[pers pn] have been doing to	8
17	[pers pn] have been doing over	8
18	[pers pn] have been doing over	8
19	she have been doing [prep]	7
20	[pers pn] have been doing with	6
21	[pers pn] have been doing with	6