| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we must [vb infin] a [noun sg] | 75 |
|
| 2 | and must [vb infin] a [noun sg] | 9 |
|
| 3 | and we must [vb infin] a | 8 |
|
| 4 | and we must [vb infin] [noun sg] | 6 |
|
