| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [noun] [verb] it difficult | 7 |
|
| 2 | this [noun sg] [verb] it difficult | 7 |
|
| 3 | this [noun] make it difficult | 6 |
|
| 4 | this [noun] makes it difficult | 5 |
|
| 5 | this [noun] [vb -s] it difficult | 5 |
|
