| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] period [prep] [art] | 32 |
|
| 2 | for a [adj] period [prep] [art] | 32 |
|
| 3 | for a [adj] period in [art] | 11 |
|
| 4 | for a [adj] period in [art] | 11 |
|
| 5 | for a [adj] period [subord] [art] | 9 |
|
| 6 | for a [adj] period [conj] [art] | 9 |
|
| 7 | for a [adj] period [verb] [art] | 5 |
|
| 8 | for a [adj] period [art] [noun] | 6 |
|
| 9 | for a [adj] period [art] [noun sg] | 6 |
|
