SN4 ""

No	Pattern	Freq
1	[noun] should be [verb] at [adj]	68
2	[noun] should be [verb] at [adj]	68
3	[noun] should be [vb pp] at [adj]	67
4	[noun sg] should be [verb] at [adj]	34
5	[noun] should be [verb] at [det]	33
6	[noun pl] should be [verb] at [adj]	30
7	[noun] should be [verb] at [adj]	21
8	[noun] should be [verb] at all	17
9	[noun] should be [verb] at all	17
10	[noun] should be [verb] at [num]	12
11	[noun] should be avoid at [adj]	7
12	[noun] should be [verb] at this	7
13	[noun] should be avoided at [adj]	7
14	[noun] should be [verb] at this	7
15	[noun] should be directed at [adj]	5
16	[noun] should be [verb] at regular	5
17	[noun] should be direct at [adj]	5
18	[noun] should be made at [adj]	5
19	[noun] should be make at [adj]	5
20	[noun] should be [verb] at regular	5