| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] at this | 26 |
|
| 2 | [vb infin] at this time | 21 |
|
| 3 | not at this time | 18 |
|
| 4 | not [vb infin] this time | 13 |
|
