| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] was | 1232 |
|
| 2 | be happen [be] | 79 |
|
| 3 | be happen be | 79 |
|
| 4 | be happen [was/were] | 20 |
|
| 5 | [be] happen was | 19 |
|
