| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be used for | 203 |
|
| 2 | have be used for | 195 |
|
| 3 | 's be [verb] for | 175 |
|
| 4 | [vb -s] be used for | 71 |
|
| 5 | 's be [vb pp] for | 64 |
|
| 6 | 's be used [prep] | 15 |
|
| 7 | 's be use for | 7 |
|
| 8 | 's [be] used for | 7 |
|
