| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun sg] [to-vb] the [num ord] anniversary | 14 |
|
| 2 | [noun] [noun sg] [to-vb] the [num ord] anniversary | 14 |
|
| 3 | [noun] [noun sg] [to-vb] [art] [num ord] anniversary | 14 |
|
| 4 | [noun sg] [noun sg] [to-vb] [art] [num ord] anniversary | 10 |
|
| 5 | [noun] [noun sg] to mark [art] [num ord] anniversary | 10 |
|
| 6 | [noun] [noun sg] [to-vb] [art] 50th anniversary | 5 |
|
