| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] able to respond [prep] [art] [adj] | 6 |
|
| 2 | be able to respond [prep] [art] [adj] | 6 |
|
| 3 | able to respond [prep] [art] [adj] [noun] | 7 |
|
| 4 | able to respond [prep] [art] [adj] [noun sg] | 6 |
|
