| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [vb infin] out | 11 |
|
| 2 | it must come [adv prt] | 7 |
|
| 3 | it must [vb infin] down | 5 |
|
| 4 | it must [vb infin] up | 5 |
|
