| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [verb] at a | 58 |
|
| 2 | can [vb infin] at a | 57 |
|
| 3 | can see at a | 13 |
|
| 4 | can see at a | 13 |
|
| 5 | can look at a | 8 |
|
| 6 | can look at a | 8 |
|
