| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] go back | 692 |
|
| 2 | [vb mod] go back | 692 |
|
| 3 | should go [adv] | 373 |
|
| 4 | should go [adv prt] | 218 |
|
| 5 | should [verb] back | 134 |
|
| 6 | should [vb infin] back | 133 |
|
| 7 | should go back | 58 |
|
| 8 | should go back | 58 |
|
| 9 | should go back | 58 |
|
