| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] year [noun sg] | 279 |
|
| 2 | [prep] a [num] year period | 110 |
|
| 3 | over a [num] year [noun sg] | 76 |
|
| 4 | over a [num] year [noun sg] | 76 |
|
| 5 | [prep] a three year [noun sg] | 49 |
|
| 6 | [prep] a two year [noun sg] | 49 |
|
| 7 | [prep] a five year [noun sg] | 42 |
|
| 8 | of a [num] year [noun sg] | 38 |
|
| 9 | of a [num] year [noun sg] | 38 |
|
| 10 | for a [num] year [noun sg] | 36 |
|
| 11 | for a [num] year [noun sg] | 36 |
|
| 12 | after a [num] year [noun sg] | 31 |
|
| 13 | after a [num] year [noun sg] | 31 |
|
| 14 | on a [num] year [noun sg] | 28 |
|
| 15 | on a [num] year [noun sg] | 28 |
|
| 16 | with a [num] year [noun sg] | 21 |
|
| 17 | with a [num] year [noun sg] | 21 |
|
| 18 | [prep] a ten year [noun sg] | 15 |
|
| 19 | [prep] a one year [noun sg] | 14 |
|
| 20 | [prep] a four year [noun sg] | 13 |
|
| 21 | [prep] a six year [noun sg] | 9 |
|
| 22 | [prep] a 10 year [noun sg] | 9 |
|
| 23 | [prep] a [num] year lease | 8 |
|
| 24 | [prep] a [num] year absence | 8 |
|
| 25 | [prep] a 5 year [noun sg] | 8 |
|
| 26 | to a [num] year [noun sg] | 7 |
|
| 27 | to a [num] year [noun sg] | 7 |
|
| 28 | [prep] a [num] year history | 7 |
|
| 29 | by a [num] year [noun sg] | 6 |
|
| 30 | [prep] a [num] year contract | 6 |
|
