| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which be [adv] used [prep] | 121 |
|
| 2 | [verb] be [adv] used [prep] | 79 |
|
| 3 | which [verb] be used [prep] | 61 |
|
| 4 | which [verb] be [adv] [prep] | 16 |
|
| 5 | which [verb] be [adv] used | 7 |
|
