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