| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] we must [vb infin] | 62 |
|
| 2 | think we must [verb] | 35 |
|
| 3 | [vb base] we must have | 12 |
|
| 4 | [vb base] we must have | 12 |
|
| 5 | say we must [verb] | 9 |
|
