| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [adj] [pron] is for | 65 |
|
| 2 | how difficult [pron] be for | 25 |
|
| 3 | how difficult [pron] [be] for | 25 |
|
| 4 | how difficult [pron] is [prep] | 21 |
|
| 5 | [adv] difficult [pron] is for | 20 |
|
| 6 | how difficult [pron] [is] for | 17 |
|
