| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this may be because [prep] [art] | 9 |
|
| 2 | this may be because [prep] [art] | 9 |
|
| 3 | this may be because [prep] the | 7 |
|
| 4 | this may be because [prep] the | 7 |
|
