| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adj] [prep] a period [prep] | 16 |
|
| 2 | [be] [adj] [prep] a period [prep] | 16 |
|
| 3 | [be] [adj] over a [noun] [prep] | 10 |
|
| 4 | [be] [adj] over a [noun sg] [prep] | 9 |
|
| 5 | [be] [adj] over [art] period [prep] | 7 |
|
| 6 | [be] [adj] over [art] period [prep] | 7 |
|
| 7 | [be] [adj] over a period [prep] | 6 |
|
| 8 | [be] [adj] over a period [prep] | 6 |
|
| 9 | [be] [adj] over a period [prep] | 6 |
|
