| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] [prep] | 54441 |
|
| 2 | [is] [adj] [prep] | 42371 |
|
| 3 | [be] easy [prep] | 365 |
|
| 4 | [is] easy [prep] | 289 |
|
