SN4 ""

No	Pattern	Freq
1	[noun] should be at the [noun]	13
2	[pron] should be at the [noun]	12
3	[pers pn] should be at the [noun]	10
4	[noun sg] should be at the [noun]	8
5	it should be at the [noun]	5
6	it should be at the [noun]	5
7	should [adv] be at the [noun]	7
8	should have be at the [noun]	7
9	should [vb infin] be at the [noun]	7
10	should have be at the [noun]	7
11	should [verb] be at the [noun]	7
12	should not be at the [noun]	5
13	should [not/n't] be at the [noun]	5
14	should not be at the [noun]	5
15	should be [verb] at the [noun]	104
16	should be [vb pp] at the [noun]	98
17	should be [adj] at the [noun]	12
18	should be [adj] at the [noun]	11
19	should be [adv] at the [noun]	9
20	should be [v-ing] at the [noun]	6
21	should be [adv] at the [noun]	5
22	should be at the [adj] [noun]	9
23	should be at the [adj] [noun]	5
24	should be at the [noun] [prep]	11
25	should be at the [noun] [prep]	11
26	should be at the [noun] of	10
27	should be at the [noun] of	10