| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [noun prp] [unc] | 1878 |
|
| 2 | [is] a [noun prp] | 621 |
|
| 3 | a [noun prp] [unc] | 483 |
|
| 4 | [is] a [unc] | 462 |
|
