| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at three [noun] | 28 |
|
| 2 | be [verb] at three [noun pl] | 27 |
|
| 3 | be [vb pp] at three [noun] | 22 |
|
| 4 | be [verb] at three levels | 11 |
|
| 5 | be [verb] at three level | 11 |
|
| 6 | be [verb] at three [noun] | 9 |
|
| 7 | were [verb] at three [noun] | 7 |
|
| 8 | be [v-ing] at three [noun] | 5 |
|
| 9 | be [verb] at three months | 5 |
|
| 10 | is [verb] at three [noun] | 5 |
|
| 11 | be [verb] at three month | 5 |
|
