| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be able [verb] [pron] [det] | 256 |
|
| 2 | should be able [verb] [pron] | 168 |
|
| 3 | should be able [verb] [det] | 93 |
|
| 4 | should be [verb] [pron] [det] | 12 |
|
