| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [is] a [noun] | 5018 |
|
| 2 | [is] a [noun] [letter] | 72 |
|
| 3 | [det] [is] [noun] [letter] | 62 |
|
| 4 | [det] [is] a [letter] | 29 |
|
