| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] at first | 41 |
|
| 2 | [not/n't] [vb infin] [prep] first | 37 |
|
| 3 | n't [verb] [prep] first | 27 |
|
| 4 | not [verb] [prep] first | 21 |
|
| 5 | [not/n't] understand [prep] first | 7 |
|
| 6 | [not/n't] [vb pp] [prep] first | 5 |
|
| 7 | [not/n't] understand [prep] first | 5 |
|
