| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been used [prep] [det] [noun pl] | 36 |
|
| 2 | been use [prep] many [noun pl] | 17 |
|
| 3 | been use for [det] [noun pl] | 15 |
|
| 4 | been use [prep] [det] years | 14 |
|
| 5 | been use in [det] [noun pl] | 12 |
|
| 6 | been use [prep] some [noun pl] | 8 |
|
| 7 | been use by [det] [noun pl] | 6 |
|
