| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] a | 15851 |
|
| 2 | [modal v] [be] [adj -er] | 2909 |
|
| 3 | [be] a [adj -er] | 2284 |
|
| 4 | [modal v] a [adj -er] | 9 |
|
