| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used for [noun] | 62 |
|
| 2 | [verb] been used for [noun sg] | 39 |
|
| 3 | have been used for [noun] | 22 |
|
| 4 | [vb base] been used for [noun] | 22 |
|
| 5 | [verb] been used for [noun pl] | 21 |
|
| 6 | [vb -s] been used for [noun] | 16 |
|
| 7 | has been used for [noun] | 14 |
|
| 8 | had been used for [noun] | 11 |
|
| 9 | [vb past] been used for [noun] | 11 |
|
| 10 | [vb infin] been used for [noun] | 9 |
|
| 11 | have been used for [noun] | 9 |
|
| 12 | [verb] been used for year | 6 |
|
| 13 | [verb] been used for years | 6 |
|
