| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] have a [adj] time | 19 |
|
| 2 | [noun] [modal v] have a tough [noun] | 7 |
|
| 3 | [noun] [modal v] have [art] tough time | 5 |
|
| 4 | [noun] [modal v] [verb] a tough time | 5 |
|
| 5 | [noun] [modal v] have [art] tough time | 5 |
|
| 6 | [noun] [modal v] have a tough time | 5 |
|
