| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by a [noun] | 18470 |
|
| 2 | by a [noun sg] | 17119 |
|
| 3 | [prep] a time | 4727 |
|
| 4 | [prep] a time | 4727 |
|
| 5 | by [art] time | 3659 |
|
| 6 | by [art] time | 3659 |
|
| 7 | by a time | 9 |
|
| 8 | by a time | 8 |
|
| 9 | by a time | 8 |
|
