| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] [art] three-year [noun sg] | 18 |
|
| 2 | be [vb pp] [prep] [art] three-year [noun] | 18 |
|
| 3 | be [vb pp] [prep] a three-year [noun] | 15 |
|
| 4 | be [vb pp] [prep] a three-year [noun] | 15 |
|
| 5 | be [vb pp] [prep] [art] three-year period | 7 |
|
| 6 | be [vb pp] [prep] [art] three-year period | 7 |
|
| 7 | be [vb pp] over [art] three-year [noun] | 5 |
|
