| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can only be done [prep] a | 6 |
|
| 2 | can only be do [prep] a | 6 |
|
| 3 | can only be do [prep] a | 6 |
|
| 4 | can only be do [prep] a | 6 |
|
