| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] for days | 10 |
|
| 2 | have be [v-ing] for days | 10 |
|
| 3 | [vb past] be [v-ing] for days | 7 |
|
| 4 | had be [v-ing] for days | 5 |
|
