| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] [pron] | 55080 |
|
| 2 | [vb past] [vb pp] [pron] | 29585 |
|
| 3 | [verb] taught [pron] | 306 |
|
| 4 | [vb past] teach [pron] | 217 |
|
