| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] used for many [noun pl] [prep] | 8 |
|
| 2 | been use for many [noun pl] [prep] | 8 |
|
| 3 | [been] use for many years [prep] | 7 |
|
| 4 | [been] use for many [noun pl] in | 5 |
|
