| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [art] | 71316 |
|
| 2 | be [Wh adv] [art] | 2194 |
|
| 3 | be when [art] | 416 |
|
| 4 | [be] when [art] | 416 |
|
| 5 | be when [art] | 416 |
|
