| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [verb] [be] | 8630 |
|
| 2 | [ex0] [be] an | 5316 |
|
| 3 | [verb] [be] an | 2207 |
|
| 4 | [ex0] [verb] an | 88 |
|
