| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [adv] [verb] [adv prt] [prep] | 151 |
|
| 2 | [adv] difficult [verb] [adv prt] [prep] | 39 |
|
| 3 | 's [adv] difficult [verb] [prep] | 36 |
|
| 4 | 's [adv] difficult [verb] [adv prt] | 15 |
|
