| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been doing [det] for [adj] years | 6 |
|
| 2 | been doing [adj] for [num] years | 6 |
|
| 3 | been doing this for [adj] years | 5 |
|
| 4 | been doing this for [adj] years | 5 |
|
