| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] on for a [noun sg] | 10 |
|
| 2 | [vb infin] on for a while | 5 |
|
| 3 | go on for a [noun] | 5 |
|
| 4 | [vb infin] on for a while | 5 |
|
