| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] at [art] time of | 52 |
|
| 2 | [noun sg] [verb] at the time of | 46 |
|
| 3 | [noun sg] [vb pp] at [art] time of | 23 |
|
| 4 | [noun sg] [v-ing] at [art] time of | 10 |
|
| 5 | [noun sg] [vb -s] at [art] time of | 9 |
|
| 6 | [noun sg] [vb past] at [art] time of | 7 |
|
| 7 | [noun sg] [verb] at a time of | 6 |
|
| 8 | [noun sg] occur at [art] time of | 6 |
|
