| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] | 170349 |
|
| 2 | have be [verb] | 124292 |
|
| 3 | [modal v] have [verb] | 50340 |
|
| 4 | [modal v] have be | 21604 |
|
