| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] for year | 79 |
|
| 2 | have [been] [v-ing] for years | 79 |
|
| 3 | have been [v-ing] for year | 79 |
|
| 4 | have [been] [v-ing] for year | 25 |
|
| 5 | had [been] [v-ing] for year | 18 |
|
| 6 | 've [been] [v-ing] for year | 11 |
|
| 7 | has [been] [v-ing] for year | 10 |
|
| 8 | have [been] trying for year | 9 |
|
| 9 | 's [been] [v-ing] for year | 8 |
|
