| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] they arrive back at [art] | 5 |
|
| 2 | [conj] they arrived back at [art] | 5 |
|
| 3 | [conj] they [vb past] back at [art] | 5 |
|
| 4 | [subord] they [verb] back at [art] | 5 |
|
| 5 | [conj] they [verb] back at [art] | 5 |
|
| 6 | [conj] they [verb] back at the | 5 |
|
