No | Pattern | Freq | Relations |
---|---|---|---|
1 | should [be] [verb] on | 665 | |
2 | [modal v] [be] concentrate on | 53 | |
3 | should [be] concentrate [prep] | 21 | |
4 | should [be] concentrate [prep] | 21 | |
5 | should [be] concentrate on | 15 | |
6 | should [be] concentrate on | 15 |
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