| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] we have been doing [prep] | 6 |
|
| 2 | [noun] we have be doing [prep] | 6 |
|
| 3 | [noun sg] we have [be] doing [prep] | 6 |
|
| 4 | [noun] we have [been] doing [prep] | 6 |
|
