| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] at first | 468 |
|
| 2 | [was/were] [noun sg] at | 171 |
|
| 3 | [was/were] at first | 158 |
|
| 4 | [was/were] [noun sg] first | 5 |
|
