| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] [art] | 53501 |
|
| 2 | then [verb] [art] | 6575 |
|
| 3 | then [vb past] [art] | 2440 |
|
| 4 | then [vb past] [verb] | 970 |
|
