| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been look forward to | 10 |
|
| 2 | 've been [verb] forward to | 10 |
|
| 3 | 've been looking forward to | 10 |
|
| 4 | 've been [v-ing] forward to | 10 |
|
