| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | look forward to [v-ing] this | 8 |
|
| 2 | [verb] forward to [v-ing] this | 8 |
|
| 3 | [v-ing] forward to [v-ing] this | 6 |
|
| 4 | looking forward to [v-ing] this | 6 |
|
