| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] at [adj] time | 104 |
|
| 2 | [vb mod] [vb infin] at that [noun] | 42 |
|
| 3 | [vb mod] [vb infin] [prep] that time | 18 |
|
| 4 | [vb mod] [vb infin] [prep] that time | 18 |
|
| 5 | [vb mod] [verb] at that time | 11 |
|
| 6 | [modal v] [vb infin] at that time | 10 |
|
| 7 | [vb mod] [vb infin] at that time | 10 |
|
