| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [vb mod] [vb infin] [prep] | 1445 |
|
| 2 | problems that [vb mod] [vb infin] | 75 |
|
| 3 | problems [vb mod] [vb infin] [prep] | 59 |
|
