| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] difficult for [art] [noun sg] | 36 |
|
| 2 | [pers pn] difficult for [art] [noun sg] | 36 |
|
| 3 | it difficult for [art] [noun sg] | 36 |
|
| 4 | [pron] difficult for [art] [noun sg] | 36 |
|
| 5 | it difficult for [art] [noun sg] | 36 |
|
| 6 | [pron] difficult for the [noun sg] | 24 |
|
| 7 | [pron] difficult for the [noun sg] | 24 |
|
| 8 | [pron] difficult for a [noun sg] | 12 |
|
| 9 | [pron] difficult for a [noun sg] | 11 |
|
