| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] time | 2270 |
|
| 2 | [verb] a [adj] time | 1825 |
|
| 3 | [verb] a tough [noun] | 159 |
|
| 4 | [verb] a tough time | 38 |
|
| 5 | [verb] [art] tough time | 37 |
|
| 6 | [verb] [art] tough time | 37 |
|
| 7 | [verb] a tough time | 36 |
|
