| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] for an [adj] period | 10 |
|
| 2 | [be] [vb pp] for an [adj] period | 10 |
|
| 3 | be [verb] for an [adj] period | 10 |
|
| 4 | be [verb] for an [adj] period | 5 |
|
| 5 | [be] [verb] for an [adj] period | 5 |
|
