| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] for [adj] months | 27 |
|
| 2 | be [verb] for [num] months | 23 |
|
| 3 | be [verb] for three months | 5 |
|
| 4 | be [verb] for [det] months | 5 |
|
| 5 | be [verb] for several months | 5 |
|
| 6 | be [verb] for several months | 5 |
|
| 7 | be [verb] for three months | 5 |
|
