| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv] [prep] a [noun] [adv] | 91 |
|
| 2 | [v-ing] [adv] [prep] a [noun sg] [adv] | 90 |
|
| 3 | [verb] [adv] [prep] a time [adv] | 42 |
|
| 4 | [v-ing] [adv] [prep] [art] time [adv] | 16 |
|
| 5 | [v-ing] [adv] [prep] [art] time [adv] | 16 |
|
| 6 | [v-ing] [adv] [prep] a time [adv] | 8 |
|
| 7 | [v-ing] [adv] [prep] a time [adv] | 8 |
|
