| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] at a [adj] | 2266 |
|
| 2 | [noun sg] at a time | 912 |
|
| 3 | at a [adj] time | 346 |
|
| 4 | [noun sg] a [adj] time | 109 |
|
| 5 | [noun sg] at [adj] time | 16 |
|
