| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be of three years ' | 24 |
|
| 2 | [noun sg] be [prep] three years ' | 24 |
|
| 3 | [noun] is [prep] three years ' | 24 |
|
| 4 | [noun] be [prep] three years ' | 24 |
|
| 5 | course be [prep] three years ' | 24 |
|
| 6 | course be [prep] three years ' | 24 |
|
| 7 | [noun] be of three years ' | 24 |
|
| 8 | [noun] be [prep] three years ' | 24 |
|
