| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] should be able [prep] [be] | 10 |
|
| 2 | [noun sg] should be able [prep] [be] | 6 |
|
| 3 | should be able [prep] [be] [vb pp] | 8 |
|
| 4 | should be able [prep] [be] [verb] | 8 |
|
