| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] used [prep] [det] [prep] | 6 |
|
| 2 | have [been] used [prep] [det] [prep] | 6 |
|
| 3 | [been] used [prep] [det] [noun] [prep] | 20 |
|
| 4 | [been] used [prep] [det] [noun pl] [prep] | 13 |
|
| 5 | [been] used [prep] [det] year [prep] | 7 |
|
| 6 | [been] used [prep] [det] years [prep] | 7 |
|
| 7 | [been] used [prep] [det] [noun sg] [prep] | 7 |
|
