| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at a time [Wh adv] | 9 |
|
| 2 | be [v-ing] at a time [Wh adv] | 9 |
|
| 3 | [v-ing] [noun] at a time [Wh adv] | 8 |
|
| 4 | [v-ing] [adv] at a time [Wh adv] | 6 |
|
| 5 | [v-ing] at a time [Wh adv] [adj] | 9 |
|
| 6 | [v-ing] at a time [Wh adv] [art] | 7 |
|
| 7 | [v-ing] at a time [Wh adv] [art] | 7 |
|
| 8 | [v-ing] at a time [Wh adv] the | 7 |
|
| 9 | [v-ing] at a time [Wh adv] the | 7 |
|
| 10 | [v-ing] at a time [Wh adv] [adj] | 5 |
|
