| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] of [noun sg] at a | 163 |
|
| 2 | [noun sg] [noun sg] at a time | 54 |
|
| 3 | of [noun sg] at a time | 44 |
|
| 4 | [noun sg] of [noun sg] at time | 5 |
|
