| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have problems | 168 |
|
| 2 | having problems | 114 |
|
| 3 | have problems | 101 |
|
| 4 | had problems | 97 |
|
| 5 | has problems | 63 |
|
| 6 | had problems | 62 |
|
| 7 | to have problems | 26 |
|
