| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are have a tough time | 5 |
|
| 2 | are [verb] a tough time | 5 |
|
| 3 | are [verb] a tough time | 5 |
|
| 4 | are [v-ing] a tough time | 5 |
|
| 5 | are having a tough time | 5 |
|
