| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is [verb] | 7063 |
|
| 2 | which is [vb pp] | 5563 |
|
| 3 | [pron] is used | 582 |
|
| 4 | which [be] used | 528 |
|
| 5 | which be used | 528 |
|
| 6 | which is use | 233 |
|
| 7 | [Wh det] is used | 225 |
|
| 8 | which is used | 219 |
|
| 9 | which [is] used | 219 |
|
