| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] | 555143 |
|
| 2 | [modal v] be [verb] | 170349 |
|
| 3 | [modal v] [verb] [prep] | 93266 |
|
| 4 | [modal v] be [prep] | 14386 |
|
