| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [is] a [noun] [noun] | 562 |
|
| 2 | [det] [is] [art] [noun] [letter] | 33 |
|
| 3 | [det] [be] a [noun] [letter] | 18 |
|
| 4 | [adj] [is] a [noun] [letter] | 16 |
|
