SN4 ""

No	Pattern	Freq
1	[pron] should be done	190
2	[Wh det] should be done	92
3	what should be done	88
4	what should be done	88
5	[noun] should be done	84
6	[adj] should be done	70
7	[pers pn] should be done	65
8	[det] should be done	63
9	it should be done	61
10	it should be done	61
11	[noun sg] should be done	59
12	this should be done	47
13	this should be done	47
14	[indef pn] should be done	33
15	[noun pl] should be done	24
16	[verb] should be done	23
17	[conj] should be done	20
18	something should be done	20
19	something should be done	20
20	[coord] should be done	15
21	thing should be done	14
22	things should be done	13
23	and should be done	12
24	and should be done	12
25	think should be done	9
26	everything should be done	8
27	everything should be done	8
28	work should be done	8
29	work should be done	8
30	that should be done	7