| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [pron] can [vb infin] | 981 |
|
| 2 | [Wh det] [pron] can [not/n't] [vb infin] | 343 |
|
| 3 | [prep] [pron] can [not/n't] [vb infin] | 84 |
|
| 4 | [prep] [Wh det] [pron] can [not/n't] | 79 |
|
