SN4 ""

No	Pattern	Freq
1	[pron] should be at [noun]	17
2	[pers pn] should be at [noun]	16
3	[noun] should be at [noun]	10
4	he should be at [noun]	6
5	he should be at [noun]	6
6	[noun pl] should be at [noun]	5
7	should [adv] be at [noun]	6
8	should be [verb] at [noun]	77
9	should be [vb pp] at [noun]	69
10	should be [adj] at [noun]	8
11	should be [adj] at [noun]	8
12	should be [v-ing] at [noun]	7
13	should be [adv] at [noun]	5
14	should be at [art] [noun]	38
15	should be at [art] [noun]	38
16	should be at the [noun]	30
17	should be at the [noun]	30
18	should be at [adv] [noun]	12
19	should be at [adv] [noun]	12
20	should be at least [noun]	11
21	should be at least [noun]	11
22	should be at a [noun]	8
23	should be at [adj] [noun]	8
24	should be at a [noun]	6
25	should be at [pos pn] [noun]	5
26	should be at [pron] [noun]	5
27	should be at [noun] [prep]	8
28	should be at [noun] [prep]	8
29	should be at [noun] [to-vb]	6
30	should be at [noun] [verb]	6