| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had done [prep] [art] | 152 |
|
| 2 | done [prep] [art] [num] | 53 |
|
| 3 | had done [prep] [num] | 31 |
|
| 4 | had [prep] [art] [num] | 29 |
|
