| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be because they | 304 |
|
| 2 | is because they | 136 |
|
| 3 | 's because they | 67 |
|
| 4 | was because they | 60 |
|
| 5 | be because they | 30 |
|
| 6 | are because they | 5 |
|
