| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for years | 107 |
|
| 2 | have [been] [verb] for years | 107 |
|
| 3 | have [been] [v-ing] for years | 79 |
|
| 4 | have [been] [verb] for years | 35 |
|
| 5 | had [been] [verb] for years | 28 |
|
| 6 | have [been] [vb pp] for years | 28 |
|
| 7 | has [been] [verb] for years | 15 |
|
| 8 | 've [been] [verb] for years | 11 |
|
| 9 | have [been] trying for years | 9 |
|
| 10 | have [been] try for years | 9 |
|
| 11 | 's [been] [verb] for years | 9 |
|
| 12 | have [been] use for years | 7 |
|
| 13 | have [been] used for years | 6 |
|
