| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb base] been looking forward to | 15 |
|
| 2 | i [vb base] been [v-ing] forward to | 15 |
|
| 3 | i 've been [v-ing] forward to | 8 |
|
| 4 | i have been [v-ing] forward to | 7 |
|
