| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problem of [adv] [to-vb] | 76 |
|
| 2 | problem [prep] [adv] [to-vb] | 76 |
|
| 3 | problem [prep] [Wh adv] [to-vb] | 76 |
|
| 4 | problem of [adv] [to-vb] | 76 |
|
| 5 | problem [prep] [adv] [to-vb] | 70 |
|
| 6 | problem [prep] how [to-vb] | 70 |
|
| 7 | problem [prep] how [to-vb] | 70 |
|
| 8 | problem [prep] where [to-vb] | 6 |
|
| 9 | problem [prep] where [to-vb] | 6 |
|
| 10 | problems [prep] [adv] [to-vb] | 6 |
|
| 11 | problem [prep] [adv] to get | 5 |
|
