| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for a few years | 34 |
|
| 2 | [vb pp] for a [det] years | 14 |
|
| 3 | [v-ing] for a [det] years | 8 |
|
| 4 | [vb past] for a [det] years | 5 |
|
| 5 | [vb infin] for a [det] years | 5 |
|
