| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is perhaps worth [v-ing] [conj] | 12 |
|
| 2 | it be perhaps worth [v-ing] [conj] | 12 |
|
| 3 | it be perhaps worth [v-ing] that | 11 |
|
| 4 | it be perhaps worth [v-ing] that | 11 |
|
| 5 | it be perhaps worth [v-ing] [that] | 11 |
|
