| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] in [verb] [adv prt] [art] | 274 |
|
| 2 | [noun sg] in [verb] [adv prt] [art] | 208 |
|
| 3 | difficulty in [verb] [adv] [art] | 18 |
|
| 4 | difficulty in [verb] [adv prt] [art] | 15 |
|
| 5 | difficulty [prep] [verb] [adv prt] [art] | 11 |
|
| 6 | difficulty [prep] [verb] [adv prt] [art] | 11 |
|
| 7 | difficulty in [verb] [adv prt] [art] | 10 |
|
| 8 | difficulty in [verb] [adv prt] [art] | 10 |
|
