| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [was/were] of course | 7 |
|
| 2 | which [was/were] of course | 7 |
|
| 3 | [Wh det] [was/were] of course | 7 |
|
| 4 | [Wh det] was of course | 5 |
|
