| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] the back | 247 |
|
| 2 | be at the back | 97 |
|
| 3 | be at the back | 97 |
|
| 4 | was [prep] the back | 83 |
|
| 5 | be in the back | 63 |
|
| 6 | be in the back | 63 |
|
| 7 | be on the back | 48 |
|
| 8 | be on the back | 48 |
|
| 9 | 's [prep] the back | 41 |
|
| 10 | is [prep] the back | 36 |
|
| 11 | were [prep] the back | 26 |
|
| 12 | be [prep] the back | 23 |
|
| 13 | are [prep] the back | 16 |
|
| 14 | be round the back | 15 |
|
| 15 | be round the back | 15 |
|
| 16 | been [prep] the back | 13 |
|
| 17 | be out the back | 10 |
|
| 18 | be out the back | 10 |
|
