| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | call off at the [num ord] [noun sg] | 10 |
|
| 2 | called off at the [num ord] [noun sg] | 10 |
|
| 3 | call off at the last [noun sg] | 9 |
|
| 4 | call off at the [num ord] minute | 7 |
|
