| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [adv] [vb -s] [art] problem | 19 |
|
| 2 | [det] [adv] [vb -s] [art] problem | 18 |
|
| 3 | this [adv] [vb -s] [art] problem | 14 |
|
| 4 | this [adv] [vb -s] [art] problem | 14 |
|
| 5 | [adj] [adv] [vb -s] the problem | 12 |
|
| 6 | [adj] [adv] [vb -s] a problem | 7 |
|
