| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [pron] is often [adj] [verb] | 21 |
|
| 2 | that [pron] is often [adj] [verb] | 17 |
|
| 3 | that [pron] is often difficult [verb] | 9 |
|
| 4 | that [pron] is often difficult [verb] | 9 |
|
| 5 | that [pron] is often [verb] [prep] | 8 |
|
| 6 | that [pron] is often [verb] [prep] | 8 |
|
