| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [art] [noun sg] | 2535 |
|
| 2 | never [vb infin] [art] [noun sg] | 507 |
|
| 3 | must never [vb infin] [art] | 16 |
|
| 4 | must never [vb infin] [noun sg] | 7 |
|
