| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] about [adj] [noun] | 2615 |
|
| 2 | [prep] [adj] years [noun] | 710 |
|
| 3 | [prep] about [adj] years | 371 |
|
| 4 | about [adj] years [noun] | 14 |
|
