| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] be [det] [noun sg] | 6947 |
|
| 2 | [ex0] be an [noun sg] | 2163 |
|
| 3 | be [det] an [noun sg] | 210 |
|
| 4 | [ex0] be [det] an | 37 |
|
