| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to retire at the end of | 13 |
|
| 2 | to retire at the end [prep] | 13 |
|
| 3 | to retire at the end [prep] | 13 |
|
| 4 | to retire at the end of | 13 |
|
| 5 | [verb] to retire at the end | 6 |
|
