| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for [noun pl] | 53 |
|
| 2 | have [been] [v-ing] for years | 25 |
|
| 3 | have [been] doing for [noun pl] | 6 |
|
| 4 | have [been] [v-ing] for months | 5 |
|
