| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [v-ing] [art] | 7614 |
|
| 2 | for [Wh det] [art] | 1109 |
|
| 3 | [v-ing] [Wh det] [art] | 409 |
|
| 4 | for [v-ing] [Wh det] | 192 |
|
