| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] its [num ord] [noun sg] | 40 |
|
| 2 | is [v-ing] its [num ord] [noun sg] | 35 |
|
| 3 | is celebrate its [num ord] [noun sg] | 18 |
|
| 4 | is celebrating its [num ord] [noun sg] | 17 |
|
| 5 | is [verb] its first [noun sg] | 14 |
|
| 6 | is [verb] its [num ord] anniversary | 13 |
|
| 7 | is [verb] its [num ord] birthday | 5 |
|
