| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adj] period [conj] | 59 |
|
| 2 | for a longer [noun sg] [conj] | 16 |
|
| 3 | for a longer [noun] [conj] | 16 |
|
| 4 | [prep] a longer period [conj] | 15 |
|
| 5 | for a [adj -er] period [conj] | 14 |
|
| 6 | for a long period [conj] | 10 |
|
| 7 | for [art] longer period [conj] | 7 |
|
| 8 | for a longer period [conj] | 7 |
|
| 9 | for [art] longer period [conj] | 7 |
|
| 10 | for a longer period [conj] | 7 |
|
