| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used [prep] several | 22 |
|
| 2 | be use for several | 9 |
|
| 3 | be use [prep] several | 7 |
|
| 4 | been use [prep] several | 6 |
|
| 5 | be use by several | 6 |
|
| 6 | be use in several | 6 |
|
