| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun prp] is [verb] | 1261 |
|
| 2 | [conj] is often [verb] | 147 |
|
| 3 | [conj] [noun prp] often [verb] | 53 |
|
| 4 | [noun prp] is often [verb] | 43 |
|
| 5 | [conj] [noun prp] is often | 8 |
|
