| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [art] tough [noun sg] | 19 |
|
| 2 | for a tough [noun sg] | 14 |
|
| 3 | for a tough [noun sg] | 14 |
|
| 4 | for the tough [noun sg] | 5 |
|
| 5 | for [art] tough time | 5 |
|
| 6 | for the tough [noun sg] | 5 |
|
