| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] two years ['s] [noun] | 8 |
|
| 2 | [be] [prep] two years ['s] [noun] | 8 |
|
| 3 | [be] of two years ['s] [noun] | 7 |
|
| 4 | [be] of two years ['s] [noun] | 7 |
|
