| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] is [verb] [conj] | 382 |
|
| 2 | is often [verb] [conj] | 283 |
|
| 3 | [noun prp] is often [verb] | 43 |
|
| 4 | [noun prp] often [verb] [conj] | 15 |
|
