| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have use | 79 |
|
| 2 | [Wh pn] have used | 73 |
|
| 3 | [Wh pn] have use | 38 |
|
| 4 | [Wh pn] had use | 24 |
|
| 5 | [Wh pn] has use | 16 |
|
| 6 | [Wh pn] have to use | 7 |
|
