| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | partly because [prep] | 388 |
|
| 2 | partly because of | 374 |
|
| 3 | partly because of | 374 |
|
| 4 | partly because in | 10 |
|
| 5 | partly because in | 10 |
|
