| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it must [verb] | 151 |
|
| 2 | [coord] it must [vb infin] | 151 |
|
| 3 | [coord] it must [verb] | 151 |
|
| 4 | [coord] it must have | 99 |
|
| 5 | [coord] it must have | 97 |
|
| 6 | but it must [verb] | 77 |
|
| 7 | and it must [verb] | 73 |
|
