| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it is [prep] [v-ing] [conj] | 18 |
|
| 2 | but it is worth [v-ing] [conj] | 18 |
|
| 3 | but it is [prep] [v-ing] [conj] | 18 |
|
| 4 | but it is worth [v-ing] [conj] | 18 |
|
