| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] [noun sg] at a [noun] | 64 |
|
| 2 | [unc] [noun sg] at [art] time | 60 |
|
| 3 | [unc] [noun sg] at a [noun sg] | 60 |
|
| 4 | [unc] [noun sg] at [art] time | 60 |
|
| 5 | [unc] [noun] at a time | 18 |
|
| 6 | [unc] [noun sg] [prep] a time | 15 |
|
| 7 | [unc] [noun sg] [prep] a time | 15 |
|
| 8 | [unc] [noun sg] at a time | 13 |
|
| 9 | [unc] [noun sg] at a time | 13 |
|
| 10 | [unc] [noun sg] at a time | 13 |
|
