| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a time [Wh adv] [adj] [noun] | 175 |
|
| 2 | at a [noun sg] [Wh adv] [adj] [noun] | 131 |
|
| 3 | at a [noun] [Wh adv] [adj] [noun] | 131 |
|
| 4 | at [art] time [Wh adv] [adj] [noun] | 131 |
|
| 5 | at [art] time [Wh adv] [adj] [noun] | 131 |
|
| 6 | [prep] a time [Wh adv] [adj] [noun] | 127 |
|
| 7 | [prep] a time [Wh adv] [adj] [noun] | 127 |
|
| 8 | at a time [Wh adv] [adj] [noun] | 126 |
|
| 9 | at a time [Wh adv] [adj] [noun] | 126 |
|
| 10 | at a time [adv] [adj] [noun] | 126 |
|
| 11 | at a time [Wh adv] [adj] [noun] | 126 |
|
