| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] mark the 40th anniversary | 9 |
|
| 2 | [noun sg] mark the 40th anniversary | 5 |
|
| 3 | mark the 40th anniversary of | 13 |
|
| 4 | mark the 40th anniversary [prep] | 13 |
|
| 5 | mark the 40th anniversary [prep] | 13 |
|
| 6 | mark the 40th anniversary of | 13 |
|
