| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be able [verb] a [adj] | 242 |
|
| 2 | should be [verb] a [adj] | 64 |
|
| 3 | should be able [verb] a | 61 |
|
| 4 | should be able [verb] [adj] | 38 |
|
