SN4 ""

No	Pattern	Freq
1	[pron] should have be	968
2	[pers pn] should have be	726
3	[noun] should have be	593
4	[noun sg] should have be	362
5	it should have be	219
6	it should have be	219
7	he should have be	138
8	he should have be	137
9	[Wh det] should have be	135
10	[noun pl] should have be	131
11	i should have be	129
12	i should have be	129
13	[conj] should have be	104
14	[noun prp] should have be	93
15	they should have be	86
16	they should have be	84
17	which should have be	82
18	which should have be	82
19	[adj] should have be	66
20	[that] should have be	61
21	that should have be	61
22	that should have be	61
23	there should have be	59
24	[ex0] should have be	59
25	there should have be	59
26	she should have be	57
27	you should have be	57
28	you should have be	57
29	she should have be	56
30	what should have be	53