| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] [be] | 15773 |
|
| 2 | [prep] [be] an | 2448 |
|
| 3 | [be] [prep] an | 1923 |
|
| 4 | [be] [be] an | 20 |
|
