| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at a [adj -er] time | 35 |
|
| 2 | [vb infin] [vb pp] at a [adj -er] | 31 |
|
| 3 | [vb infin] [vb pp] a [adj -er] time | 7 |
|
