| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [art] [adj] period [prep] | 10 |
|
| 2 | [vb mod] be [art] [adj] period [prep] | 10 |
|
| 3 | [vb mod] be [art] [adj] period [prep] | 10 |
|
| 4 | [vb mod] be a [adj] period [prep] | 9 |
|
| 5 | [vb mod] be [art] [adj] period of | 5 |
|
| 6 | [vb mod] be [art] [adj] period of | 5 |
|
| 7 | [vb mod] be [art] [adj] period for | 5 |
|
| 8 | [vb mod] be [art] [adj] period for | 5 |
|
