| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at right angle | 12 |
|
| 2 | [be] [verb] at [adj] angle | 9 |
|
| 3 | [be] [verb] at right [noun] | 5 |
|
| 4 | [be] [verb] [prep] right angle | 5 |
|
| 5 | [be] [verb] at right angle | 5 |
|
| 6 | [be] [verb] [prep] right angle | 5 |
|
