| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be because it [vb past] | 24 |
|
| 2 | be because it [vb past] | 24 |
|
| 3 | was because it [vb past] | 18 |
|
| 4 | is because it [vb past] | 5 |
|
