| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [conj] | 11283 |
|
| 2 | is sometimes [vb pp] | 705 |
|
| 3 | sometimes [vb pp] [conj] | 230 |
|
| 4 | is sometimes [conj] | 7 |
|
