| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and then [pron] [vb mod] | 2001 |
|
| 2 | and [pron] [vb mod] [to-vb] | 951 |
|
| 3 | then [pron] [vb mod] [to-vb] | 123 |
|
