| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [art] [noun sg] | 38299 |
|
| 2 | be when [art] [noun sg] | 252 |
|
| 3 | [prep] when [art] [noun sg] | 164 |
|
| 4 | be [prep] when [art] | 21 |
|
