| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be [prep] [art] [adj] | 96 |
|
| 2 | be cause [prep] [art] [adj] | 37 |
|
| 3 | may be cause [prep] [art] | 34 |
|
| 4 | may be cause [prep] [adj] | 15 |
|
