| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [vb past] [prep] | 20006 |
|
| 2 | and then [vb past] | 3797 |
|
| 3 | and then [prep] | 2136 |
|
| 4 | then [vb past] [prep] | 1677 |
|
