SN4 ""

No	Pattern	Freq
1	[verb] [been] done [prep]	510
2	have [been] done [prep]	510
3	[vb -s] [been] done [prep]	281
4	has [been] done [prep]	254
5	[vb past] [been] done [prep]	101
6	had [been] done [prep]	100
7	[vb infin] [been] done [prep]	67
8	have [been] done [prep]	65
9	[adv] [been] done [prep]	57
10	[vb base] [been] done [prep]	46
11	[adv] [been] done [prep]	45
12	have [been] done [prep]	44
13	's [been] done [prep]	27
14	to have [been] done [prep]	15
15	[to-vb] [been] done [prep]	15
16	not [been] done [prep]	12
17	[not/n't] [been] done [prep]	12
18	already [been] done [prep]	11
19	already [been] done [prep]	11
20	not [been] done [prep]	8
21	all [been] done [prep]	8
22	all [been] done [prep]	8
23	[adj] [been] done [prep]	5
24	[det] [been] done [prep]	5
25	[been] [adv] done [prep]	6
26	[been] [adv] done [prep]	6
27	[been] done [adv] [prep]	35
28	[been] done [adv] [prep]	28
29	[been] done away [prep]	7
30	[been] done [adv prt] [prep]	7