| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] off [prep] | 16 |
|
| 2 | have been [v-ing] off for | 8 |
|
| 3 | had been [v-ing] off [prep] | 5 |
|
| 4 | have been putting off [prep] | 5 |
|
