| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is at right [noun pl] [prep] | 7 |
|
| 2 | is at right angle [prep] | 7 |
|
| 3 | is at right [noun] [prep] | 7 |
|
| 4 | is at right [noun] to | 7 |
|
| 5 | is at right [noun] to | 7 |
|
| 6 | is at right angles [prep] | 7 |
|
