| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to deal with the problem of | 39 |
|
| 2 | [to-vb] with the problem of | 33 |
|
| 3 | [to-vb] with the problems of | 29 |
|
| 4 | to cope with the problem of | 14 |
|
