| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used for | 2640 |
|
| 2 | be used for | 2640 |
|
| 3 | [am/are] used for | 219 |
|
| 4 | be [verb] for | 88 |
|
| 5 | be [vb pp] for | 87 |
|
| 6 | be used [prep] | 16 |
|
| 7 | be used [prep] | 16 |
|
| 8 | be used for | 5 |
|
| 9 | be use for | 5 |
|
