| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [am/are] [vb pp] at [noun] | 18 |
|
| 2 | which [am/are] [verb] at [noun] | 18 |
|
| 3 | which are [verb] at [noun] | 18 |
|
| 4 | which [am/are] [verb] at [noun sg] | 7 |
|
