| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [vb pp] [prep] a [noun] | 1376 |
|
| 2 | can be [vb pp] [prep] a [noun sg] | 1313 |
|
| 3 | [vb mod] be [vb pp] [prep] a period | 31 |
|
| 4 | [modal v] be [vb pp] [prep] a period | 31 |
|
| 5 | can be [vb pp] [prep] [art] period | 8 |
|
| 6 | can be [vb pp] [prep] [art] period | 8 |
|
| 7 | can be [vb pp] [prep] a period | 5 |
|
| 8 | can be [vb pp] [prep] a period | 5 |
|
| 9 | can be [vb pp] [prep] a period | 5 |
|
| 10 | can be [verb] [prep] a period | 5 |
|
| 11 | can be [vb pp] [prep] a period | 5 |
|
| 12 | can [be] [vb pp] [prep] a period | 5 |
|
| 13 | can [be] [vb pp] [prep] a period | 5 |
|
| 14 | can be [vb pp] [prep] a period | 5 |
|
