| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been ill for some time | 6 |
|
| 2 | [vb past] been ill for some time | 6 |
|
| 3 | have been ill for some time | 6 |
|
| 4 | [verb] been ill for some time | 6 |
|
