| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | request at a [adj] [noun sg] | 11 |
|
| 2 | request at a [adj] [noun sg] | 11 |
|
| 3 | request at a late [noun sg] | 10 |
|
| 4 | request at a [adj] time | 10 |
|
| 5 | request at a [adj -er] [noun sg] | 10 |
|
| 6 | request at a later [noun sg] | 10 |
|
