| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years of [noun sg] | 2141 |
|
| 2 | twenty [noun] of [noun sg] | 87 |
|
| 3 | twenty [noun pl] of [noun sg] | 80 |
|
| 4 | twenty years [prep] [noun sg] | 48 |
|
| 5 | twenty years of [noun] | 42 |
|
| 6 | twenty year of [noun sg] | 36 |
|
