| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for many [noun] | 32 |
|
| 2 | has been [vb pp] for many [noun] | 27 |
|
| 3 | have been used for many [noun] | 13 |
|
| 4 | has been used for [adj] [noun] | 13 |
|
| 5 | [verb] been used for many [noun] | 13 |
|
| 6 | has been used [prep] many [noun] | 11 |
|
| 7 | has [be] used for many [noun] | 8 |
|
| 8 | has [been] used for many [noun] | 8 |
|
| 9 | [vb -s] been used for many [noun] | 8 |
|
| 10 | has been use for many [noun] | 8 |
|
| 11 | has be used for many [noun] | 8 |
|
