| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is at the [noun] | 682 |
|
| 2 | [be] at the back | 97 |
|
| 3 | be at the back | 97 |
|
| 4 | is [prep] the back | 36 |
|
| 5 | is [prep] the back | 36 |
|
| 6 | [is] at the back | 33 |
|
| 7 | is at [art] back | 18 |
|
| 8 | is at the back | 18 |
|
| 9 | is at [art] back | 18 |
|
| 10 | is at the back | 18 |
|
