| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for [art] tough | 10 |
|
| 2 | [adv] for a tough | 9 |
|
| 3 | [adv] for a tough | 9 |
|
| 4 | in for [art] tough | 8 |
|
| 5 | in for [art] tough | 8 |
|
| 6 | [adv prt] for [art] tough | 8 |
|
