| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | student who have [adv] [vb pp] | 16 |
|
| 2 | students [Wh pn] have [adv] [vb pp] | 16 |
|
| 3 | student [Wh pn] have already [vb pp] | 9 |
|
