| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] years [pron] [verb] | 16 |
|
| 2 | [prep] a [adj] years [pers pn] [verb] | 14 |
|
| 3 | [prep] a few years [pron] [verb] | 13 |
|
| 4 | [prep] a [det] years [pron] [verb] | 13 |
|
| 5 | [prep] a few years [pron] [verb] | 13 |
|
| 6 | [prep] a [adj] years [pron] have | 12 |
|
| 7 | [prep] a [adj] years [pron] [vb past] | 9 |
|
| 8 | within a [adj] years [pron] [verb] | 7 |
|
| 9 | [prep] a [adj] years [pron] had | 6 |
|
| 10 | [prep] a [adj] years [pron] [vb -s] | 5 |
|
| 11 | [prep] a [adj] years it [verb] | 5 |
|
| 12 | for a [adj] years [pron] [verb] | 5 |
|
| 13 | [prep] a [adj] years it [verb] | 5 |
|
