| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] 20 year ['s] [noun] | 29 |
|
| 2 | [prep] 20 year ['s] [noun] | 29 |
|
| 3 | to 20 year ['s] [noun] | 12 |
|
| 4 | to 20 year ['s] [noun] | 12 |
|
| 5 | of 20 year ['s] [noun] | 6 |
|
| 6 | of 20 year ['s] [noun] | 6 |
|
| 7 | [adv] 20 year ['s] [noun] | 6 |
|
| 8 | [adv] 20 year ['s] [noun] | 6 |
|
| 9 | in 20 year ['s] [noun] | 5 |
|
| 10 | in 20 year ['s] [noun] | 5 |
|
| 11 | over 20 year ['s] [noun] | 5 |
|
| 12 | over 20 year ['s] [noun] | 5 |
|
| 13 | 20 year ['s] [adj] [noun] | 5 |
|
| 14 | 20 year ['s] [adj] [noun] | 5 |
|
| 15 | 20 year ['s] [noun] [prep] | 25 |
|
| 16 | 20 year ['s] [noun] [prep] | 25 |
|
| 17 | 20 year ['s] [noun] in | 7 |
|
| 18 | 20 year ['s] [noun] in | 7 |
|
| 19 | 20 year ['s] [noun] for | 6 |
|
| 20 | 20 year ['s] [noun] for | 6 |
|
| 21 | 20 year ['s] [noun] of | 5 |
|
| 22 | 20 year ['s] [noun] of | 5 |
|
