SN4 ""

No	Pattern	Freq
1	have been doing [adj] [noun sg]	52
2	have been doing [det] [noun]	45
3	've been doing [adj] [noun]	30
4	have been doing [adj] [noun]	18
5	have been doing some [noun]	15
6	have been doing some [noun]	15
7	have been doing [adj] [noun pl]	14
8	have been doing this [noun]	13
9	have been doing this [noun]	13
10	have been doing [adj] [noun]	10
11	have been doing [adj] work	9
12	had been doing [adj] [noun]	9
13	have been doing [adj] work	9
14	have been doing that [noun]	7
15	have been doing that [noun]	7
16	'd been doing [adj] [noun]	7
17	's been doing [adj] [noun]	5
18	have been doing [adj] week	5
19	have been doing [adj] week	5