| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be used for [det] | 6 |
|
| 2 | had be use for [det] | 6 |
|
| 3 | [vb past] been use for [det] | 6 |
|
| 4 | [vb past] be use for many | 5 |
|
