| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've [been] [verb] | 4415 |
|
| 2 | 've [been] [v-ing] | 3051 |
|
| 3 | have [been] trying | 603 |
|
| 4 | [verb] [been] trying | 603 |
|
| 5 | [vb base] [been] trying | 275 |
|
| 6 | 've [been] try | 169 |
|
| 7 | 've [be] trying | 168 |
|
