| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be used [prep] | 1259 |
|
| 2 | have be used [prep] | 854 |
|
| 3 | [adv] have be [prep] | 414 |
|
| 4 | [adv] have be used | 52 |
|
