SN4 ""

No	Pattern	Freq
1	[vb mod] be done	2341
2	[modal v] be done	2341
3	[prep] be done	1909
4	[prep] be done	1866
5	to be done	1866
6	to be done	1866
7	can be done	917
8	can be done	917
9	[adv] be done	431
10	should be done	398
11	should be done	398
12	could be done	350
13	could be done	350
14	[adv] be done	222
15	must be done	221
16	must be done	221
17	not be done	209
18	[not/n't] be done	209
19	will be done	201
20	will be done	182
21	not be done	141
22	may be done	91
23	may be done	91
24	would be done	80
25	would be done	78
26	only be done	69
27	only be done	69
28	n't be done	68
29	might be done	60
30	might be done	60