| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [vb infin] at | 94 |
|
| 2 | did [vb infin] at | 91 |
|
| 3 | [vb past] look at | 20 |
|
| 4 | [vb past] say at | 6 |
|
