| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the problems that [det] [vb mod] [verb] | 6 |
|
| 2 | the problems that [det] [vb mod] [verb] | 6 |
|
| 3 | the problems that [det] [vb mod] [vb infin] | 6 |
|
| 4 | the problems that [det] [vb mod] cause | 5 |
|
| 5 | the problems that [det] [vb mod] cause | 5 |
|
| 6 | the problems that this [vb mod] [verb] | 5 |
|
