| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be partly because [prep] [art] | 26 |
|
| 2 | be partly because [prep] [art] | 26 |
|
| 3 | be partly because of [art] | 24 |
|
| 4 | be partly because of [art] | 24 |
|
| 5 | be partly because [prep] the | 24 |
|
| 6 | is partly because [prep] [art] | 21 |
|
