| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] at [adj] time | 258 |
|
| 2 | was at [adj] time | 201 |
|
| 3 | [was/were] at [det] time | 195 |
|
| 4 | [was/were] at that time | 108 |
|
| 5 | [was/were] at that time | 108 |
|
| 6 | [was/were] at this time | 77 |
|
| 7 | [was/were] at this time | 77 |
|
| 8 | [was/were] at one time | 63 |
|
| 9 | [was/were] at [num] time | 63 |
|
| 10 | [was/were] at one time | 63 |
|
| 11 | were at [adj] time | 57 |
|
| 12 | [was/were] at some time | 6 |
|
| 13 | [was/were] at some time | 6 |
|
