| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why i have [been] [v-ing] | 7 |
|
| 2 | why i have be [v-ing] | 7 |
|
| 3 | why i have been [v-ing] | 7 |
|
| 4 | why i 've [be] [v-ing] | 5 |
|
