| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] [noun] [ex0] is an | 27 |
|
| 2 | [prep] [det] [noun sg] [ex0] is an | 16 |
|
| 3 | [prep] [det] [noun pl] [ex0] is an | 10 |
|
