| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] at a time | 155 |
|
| 2 | [num] at the time | 142 |
|
| 3 | two at [art] time | 53 |
|
| 4 | one at [art] time | 29 |
|
| 5 | three at [art] time | 26 |
|
| 6 | ten at [art] time | 8 |
|
| 7 | four at [art] time | 8 |
|
| 8 | six at [art] time | 6 |
|
| 9 | 12 at [art] time | 6 |
|
| 10 | twelve at [art] time | 5 |
|
| 11 | fifteen at [art] time | 5 |
|
