| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | perhaps we should [vb infin] | 104 |
|
| 2 | perhaps we should have | 9 |
|
| 3 | perhaps we should go | 9 |
|
| 4 | perhaps we should think | 5 |
|
| 5 | perhaps we should say | 5 |
|
| 6 | perhaps we should take | 5 |
|
