| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] for a | 87 |
|
| 2 | [Wh det] [vb past] for a | 72 |
|
| 3 | [Wh det] provided for a | 24 |
|
| 4 | [Wh det] called for a | 20 |
|
| 5 | [Wh det] [vb past] for an | 16 |
|
| 6 | [Wh det] made for a | 6 |
|
