| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a [noun] [prep] | 20005 |
|
| 2 | [adv] a [noun sg] [prep] | 19705 |
|
| 3 | [adv] [art] time [prep] | 105 |
|
| 4 | [adv] a time [prep] | 54 |
|
| 5 | [adv] a time [prep] | 38 |
|
| 6 | [adv] a time [prep] | 37 |
|
