| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] [prep] [noun] | 19295 |
|
| 2 | is an [noun] [prep] | 2930 |
|
| 3 | is [noun] [prep] [noun] | 1671 |
|
| 4 | is an [noun] [noun] | 593 |
|
