| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be when a | 12 |
|
| 2 | [be] when a | 5 |
|
| 3 | be when a | 5 |
|
| 4 | [am/are] when a | 5 |
|
| 5 | are when a | 5 |
|
