| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] for [art] | 2112 |
|
| 2 | [prep] a [noun sg] [v-ing] [art] | 1153 |
|
| 3 | a [noun sg] [v-ing] for [art] | 199 |
|
| 4 | [prep] a [noun sg] [v-ing] for | 137 |
|
| 5 | [prep] [noun sg] [v-ing] for [art] | 74 |
|
