| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [verb] for a [noun] | 207 |
|
| 2 | [vb mod] [be] [verb] for a [noun sg] | 194 |
|
| 3 | [vb mod] [be] [verb] [prep] a period | 32 |
|
| 4 | [vb mod] [be] [verb] [prep] a period | 32 |
|
| 5 | [vb mod] [be] [verb] for [art] period | 14 |
|
| 6 | [vb mod] [be] [verb] for [art] period | 14 |
|
| 7 | [vb mod] [be] [verb] for a period | 10 |
|
| 8 | [vb mod] [be] [verb] for a period | 10 |
|
| 9 | [modal v] [be] [verb] for a period | 10 |
|
| 10 | [vb mod] [be] [verb] for a period | 10 |
|
