| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be use for a | 12 |
|
| 2 | [verb] been use for a | 12 |
|
| 3 | [verb] be used for a | 12 |
|
| 4 | [vb -s] be use for a | 9 |
|
| 5 | has be use for a | 8 |
|
