| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] used for [det] [noun] | 27 |
|
| 2 | been used for [det] [noun] | 27 |
|
| 3 | [been] used for [det] [noun pl] | 15 |
|
| 4 | [been] used for many [noun] | 13 |
|
| 5 | [been] used for [det] years | 13 |
|
| 6 | [been] used for [det] year | 13 |
|
| 7 | [been] used for [det] [noun sg] | 12 |
|
| 8 | [been] used for this [noun] | 6 |
|
| 9 | [been] used for [det] purpose | 6 |
|
| 10 | [been] used for [det] purpose | 5 |
|
