| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a time [adv] [adj] | 243 |
|
| 2 | at a [noun] [adv] [adj] | 167 |
|
| 3 | at a [noun sg] [adv] [adj] | 167 |
|
| 4 | at [art] time [adv] [adj] | 156 |
|
| 5 | at [art] time [adv] [adj] | 156 |
|
| 6 | [prep] a time [adv] [adj] | 142 |
|
| 7 | [prep] a time [adv] [adj] | 142 |
|
| 8 | at a time [adv] [adj] | 138 |
|
| 9 | at a time [adv] [adj] | 138 |
|
| 10 | at a time [adv] [adj] | 138 |
|
