| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] year [conj] | 4553 |
|
| 2 | [num] [conj] [is] | 407 |
|
| 3 | [num] year [is] | 275 |
|
| 4 | year [conj] [is] | 181 |
|
