| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [prep] be used [adv] | 14 |
|
| 2 | have to be used [adv] | 14 |
|
| 3 | have [prep] be used [adv] | 14 |
|
| 4 | have to be used [adv] | 14 |
|
| 5 | has [prep] be used [adv] | 6 |
|
