| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and then [v-ing] [adv prt] for | 8 |
|
| 2 | and then [v-ing] [adv prt] for | 8 |
|
| 3 | [coord] then [v-ing] [adv prt] for | 8 |
|
