| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun sg] [verb] the [num ord] anniversary | 18 |
|
| 2 | [adj] [noun sg] mark [art] [num ord] anniversary | 8 |
|
| 3 | [adj] [noun sg] [to-vb] [art] [num ord] anniversary | 8 |
|
| 4 | [adj] [noun sg] celebrate [art] [num ord] anniversary | 8 |
|
