| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] right angles to | 41 |
|
| 2 | [verb] [prep] right angle to | 41 |
|
| 3 | [verb] at right angle to | 41 |
|
| 4 | [vb pp] [prep] right angle to | 16 |
|
| 5 | [v-ing] [prep] right angle to | 11 |
|
| 6 | [vb past] [prep] right angle to | 5 |
|
