SN4 ""

No	Pattern	Freq
1	[conj] they should be	484
2	[that] they should be	250
3	that they should be	250
4	that they should be	250
5	[subord] they should be	144
6	[adv] they should be	143
7	[verb] they should be	105
8	[noun] they should be	100
9	[coord] they should be	90
10	[Wh adv] they should be	76
11	[adv] they should be	63
12	[noun sg] they should be	61
13	and they should be	47
14	and they should be	47
15	[pron] they should be	44
16	[vb base] they should be	43
17	but they should be	43
18	but they should be	43
19	how they should be	38
20	how they should be	38
21	as they should be	36
22	as they should be	36
23	[noun pl] they should be	35
24	[Wh det] they should be	32
25	think they should be	29
26	whether they should be	28
27	[adj] they should be	28
28	whether they should be	28
29	[vb past] they should be	22
30	what they should be	21