| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] two years [conj] i | 5 |
|
| 2 | [prep] two years i [verb] | 11 |
|
| 3 | [prep] two years i [vb past] | 8 |
|
| 4 | [prep] two years i have | 5 |
|
