| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [verb] [adv] [noun sg] | 10 |
|
| 2 | [Wh det] [vb past] [verb] [adv prt] [noun sg] | 6 |
|
| 3 | [Wh det] [vb past] [vb pp] [adv] [noun sg] | 5 |
|
| 4 | [Wh det] had [verb] [adv] [noun sg] | 5 |
|
