| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a three year [noun] | 50 |
|
| 2 | [prep] a three year commitment | 6 |
|
| 3 | [prep] a [adj] year commitment | 6 |
|
| 4 | [prep] a three year commitment | 6 |
|
| 5 | [prep] [art] three year commitment | 6 |
|
| 6 | [prep] a three [noun sg] commitment | 6 |
|
| 7 | [prep] [art] three year commitment | 6 |
|
| 8 | [prep] a three [noun] commitment | 6 |
|
