| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you [modal v] go back | 73 |
|
| 2 | [pron] must go back | 54 |
|
| 3 | you must go [adv] | 34 |
|
| 4 | you must [vb infin] back | 23 |
|
| 5 | you must [verb] back | 23 |
|
| 6 | you must go back | 7 |
|
