SN4 ""

No	Pattern	Freq
1	[noun] is done [prep]	244
2	[noun sg] is done [prep]	227
3	[adj] is done [prep]	179
4	[det] is done [prep]	175
5	this is done [prep]	156
6	this is done [prep]	156
7	[pron] is done [prep]	99
8	work is done [prep]	49
9	work is done [prep]	49
10	[Wh det] is done [prep]	40
11	[pers pn] is done [prep]	39
12	it is done [prep]	38
13	it is done [prep]	38
14	[conj] is done [prep]	25
15	what is done [prep]	23
16	what is done [prep]	23
17	[indef pn] is done [prep]	19
18	[verb] is done [prep]	16
19	which is done [prep]	15
20	which is done [prep]	15
21	[noun pl] is done [prep]	14
22	that is done [prep]	11
23	that is done [prep]	11
24	as is done [prep]	10
25	as is done [prep]	10
26	[subord] is done [prep]	10
27	everything is done [prep]	9
28	[that] is done [prep]	9
29	propagation is done [prep]	9
30	that is done [prep]	9