| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [vb past] [adv prt] at the | 267 |
|
| 2 | [conj] [v-ing] [adv prt] at the | 39 |
|
| 3 | [vb past] [v-ing] [adv prt] at the | 39 |
|
| 4 | [conj] [vb past] [v-ing] [adv prt] at | 30 |
|
| 5 | [conj] [vb past] [v-ing] at the | 26 |
|
| 6 | [conj] [vb past] [v-ing] [adv prt] the | 25 |
|
