| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] an [noun sg] for [art] | 382 |
|
| 2 | [prep] an [noun sg] [v-ing] [art] | 180 |
|
| 3 | [prep] [noun sg] [v-ing] for [art] | 74 |
|
| 4 | an [noun sg] [v-ing] for [art] | 25 |
|
| 5 | [prep] an [noun sg] [v-ing] for | 16 |
|
