| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [prep] [adj] [noun] | 1015 |
|
| 2 | [pron] [prep] [adj] years | 595 |
|
| 3 | which [prep] [adj] [noun pl] | 544 |
|
| 4 | which [prep] [adj] year | 60 |
|
| 5 | [Wh det] [prep] [adj] years | 59 |
|
| 6 | which [prep] [adj] years | 58 |
|
| 7 | which [prep] [adj] years | 58 |
|
