| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] about [art] year | 12 |
|
| 2 | [adv prt] about [art] year | 12 |
|
| 3 | [adv prt] about a year | 12 |
|
| 4 | [adv prt] about a year | 12 |
|
| 5 | in about [art] year | 8 |
|
