| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [adv] tougher | 12 |
|
| 2 | [be] a [adv] tougher | 12 |
|
| 3 | [be] a much tougher | 7 |
|
| 4 | [be] a [noun] tougher | 7 |
|
| 5 | [be] a [noun sg] tougher | 7 |
|
| 6 | [be] a much tougher | 7 |
|
| 7 | [be] a lot tougher | 5 |
|
| 8 | [be] a lot tougher | 5 |
|
| 9 | [be] a tougher [noun sg] | 10 |
|
| 10 | [be] a tougher [noun] | 10 |
|
