SN4 ""

No	Pattern	Freq
1	[noun] and should have	39
2	[noun sg] and should have	26
3	[modal v] and should have	18
4	[vb mod] and should have	18
5	could and should have	17
6	could and should have	17
7	[adj] and should have	11
8	[adj] and should have	10
9	[noun pl] and should have	8
10	[verb] and should have	6
11	[adv] and should have	6
12	and [pron] should have	147
13	and [pers pn] should have	132
14	and [noun] should have	51
15	and i should have	37
16	and i should have	37
17	and you should have	24
18	and you should have	24
19	and [noun sg] should have	21
20	and we should have	20
21	and we should have	20
22	and [noun pl] should have	19
23	and he should have	15
24	and it should have	15
25	and it should have	15
26	and he should have	15
27	and they should have	14
28	and they should have	14
29	and [adj] should have	11
30	and [det] should have	9