| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] [not/n't] at present | 6 |
|
| 2 | [vb base] [not/n't] at present [vb infin] | 8 |
|
| 3 | [vb base] [not/n't] at present [verb] | 8 |
|
