| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] a [adj] | 487 |
|
| 2 | [is] sometimes a [adj] | 25 |
|
| 3 | [is] sometimes [vb pp] [adj] | 19 |
|
| 4 | [is] sometimes [vb pp] a | 15 |
|
| 5 | sometimes [vb pp] a [adj] | 11 |
|
