| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] a | 2234 |
|
| 2 | have been [v-ing] a | 915 |
|
| 3 | have been using [art] | 72 |
|
| 4 | have been use a | 29 |
|
| 5 | have [been] using a | 25 |
|
| 6 | have [be] using a | 25 |
|
| 7 | [verb] been using a | 25 |
|
| 8 | have be using a | 25 |
|
