| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] [prep] three months | 10 |
|
| 2 | have been [verb] [prep] three months | 10 |
|
| 3 | [verb] been [vb pp] [prep] three months | 8 |
|
| 4 | [verb] been [verb] for three months | 8 |
|
| 5 | has been [verb] [prep] three months | 6 |
|
| 6 | [vb -s] been [verb] [prep] three months | 6 |
|
