| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] about [adj] years ['s] [noun] | 6 |
|
| 2 | [adv] about [adj] years ['s] [noun] | 6 |
|
| 3 | in about [adj] years ['s] [noun] | 6 |
|
| 4 | in about [adj] years ['s] [noun] | 6 |
|
