| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] a [noun sg] | 434 |
|
| 2 | be [vb pp] when a [noun sg] | 132 |
|
| 3 | [modal v] be [vb pp] when [noun sg] | 25 |
|
| 4 | [modal v] be [vb pp] when a | 18 |
|
