SN4 ""

No	Pattern	Freq
1	[adv] should the	199
2	[Wh adv] should the	161
3	[noun] should the	158
4	[noun sg] should the	124
5	why should the	123
6	why should the	123
7	[conj] should the	78
8	[coord] should the	62
9	[pron] should the	46
10	how should the	34
11	[adv] should the	34
12	how should the	34
13	[adj] should the	33
14	[verb] should the	31
15	[Wh det] should the	30
16	what should the	29
17	what should the	29
18	[noun pl] should the	29
19	nor should the	20
20	nor should the	20
21	and should the	18
22	and should the	18
23	or should the	13
24	or should the	13
25	[num] should the	12
26	[det] should the	11
27	but should the	11
28	but should the	11
29	[vb pp] should the	10
30	[adj] should the	10