| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [num] years of [noun sg] | 42 |
|
| 2 | [prep] [art] [num] years of [noun sg] | 42 |
|
| 3 | [prep] a [num] [noun] of [noun sg] | 37 |
|
| 4 | [prep] a [num] [noun pl] of [noun sg] | 33 |
|
| 5 | [prep] a [adj] years of [noun sg] | 18 |
|
| 6 | [prep] a [num] years [prep] [noun sg] | 6 |
|
| 7 | [prep] a [num] years [prep] [noun sg] | 6 |
|
| 8 | [prep] a [num] year of [noun sg] | 6 |
|
| 9 | [prep] a [num] years of [noun sg] | 6 |
|
| 10 | [prep] a [num] years of [noun] | 6 |
|
| 11 | [prep] a [num] years of [noun sg] | 6 |
|
| 12 | [prep] a [num] years of [noun sg] | 6 |
|
