| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] a hard time [v-ing] | 5 |
|
| 2 | [v-ing] [art] hard time [v-ing] | 5 |
|
| 3 | having [art] hard time [v-ing] | 5 |
|
| 4 | [v-ing] a hard time [v-ing] | 5 |
|
