SN4 ""

No	Pattern	Freq
1	[pers pn] have [been] doing for	26
2	[pron] have [been] doing for	26
3	[noun] have [been] doing for	8
4	i have [been] doing for	7
5	i have [been] doing for	7
6	we have [been] doing for	6
7	we have [been] doing for	6
8	you have [been] doing for	5
9	you have [been] doing for	5
10	[noun pl] have [been] doing for	5
11	have [been] doing [pron] for	42
12	have [been] doing it for	40
13	have [been] doing [pers pn] for	40
14	have [been] doing it for	40
15	have [been] doing [adj] for	27
16	have [been] doing [det] for	27
17	have [been] doing this for	14
18	have [been] doing this for	14
19	have [been] doing [adv] for	13
20	have [been] doing [adv] for	13
21	have [been] doing that for	10
22	have [been] doing that for	10
23	have [been] doing so for	8
24	have [been] doing so for	8
25	have [been] doing [noun] for	5
26	have [been] doing for [art]	15
27	have [been] doing for [art]	15
28	have [been] doing for the	14
29	have [been] doing for the	14
30	have [been] doing for [noun]	12