| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used for [noun sg] | 39 |
|
| 2 | [vb -s] been used for [noun sg] | 12 |
|
| 3 | has been used for [noun sg] | 11 |
|
| 4 | have been used for [noun sg] | 9 |
|
| 5 | [vb base] been used for [noun sg] | 9 |
|
| 6 | had been used for [noun sg] | 8 |
|
| 7 | [vb past] been used for [noun sg] | 8 |
|
| 8 | have been used for [noun sg] | 7 |
|
| 9 | [vb infin] been used for [noun sg] | 7 |
|
