| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be perhaps worth [verb] [adv] | 5 |
|
| 2 | it be perhaps [prep] [verb] [adv] | 5 |
|
| 3 | it be perhaps [prep] [v-ing] [adv] | 5 |
|
| 4 | it is perhaps [prep] [verb] [adv] | 5 |
|
