| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be likely to be difficult | 10 |
|
| 2 | [be] likely to be difficult | 10 |
|
| 3 | [is] likely to be difficult | 8 |
|
| 4 | is likely to be difficult | 8 |
|
| 5 | likely to be [adv] difficult | 6 |
|
| 6 | likely to be [adv] difficult | 6 |
|
