| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] to be [adj] for | 79 |
|
| 2 | [v-ing] to be [adj] for | 77 |
|
| 3 | [verb] to be difficult for | 9 |
|
| 4 | [v-ing] to be difficult [prep] | 8 |
|
| 5 | [v-ing] [prep] be difficult for | 8 |
|
| 6 | [v-ing] to be difficult [prep] | 8 |
|
| 7 | [v-ing] to be difficult for | 6 |
|
| 8 | [v-ing] to [be] difficult for | 6 |
|
| 9 | [v-ing] to be difficult for | 6 |
|
| 10 | [v-ing] [prep] be difficult for | 6 |
|
| 11 | [v-ing] to be difficult for | 6 |
|
