| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which [verb] back [prep] | 85 |
|
| 2 | [noun] [Wh det] [verb] back to | 64 |
|
| 3 | [noun sg] [Wh det] [verb] back [prep] | 62 |
|
| 4 | [noun] [Wh det] [vb -s] back [prep] | 39 |
|
| 5 | [noun] [Wh det] [vb past] back [prep] | 32 |
|
| 6 | [noun] [Wh det] go back [prep] | 24 |
|
| 7 | [noun] [Wh det] date back [prep] | 22 |
|
| 8 | [noun pl] [Wh det] [verb] back [prep] | 20 |
|
| 9 | [noun] [Wh det] goes back [prep] | 13 |
|
| 10 | [noun] [Wh det] [vb base] back [prep] | 12 |
|
| 11 | [noun] [Wh det] dates back [prep] | 10 |
|
| 12 | [noun] [Wh det] dated back [prep] | 7 |
|
| 13 | [noun] [Wh det] went back [prep] | 7 |
|
| 14 | [noun] [Wh det] stretch back [prep] | 7 |
|
| 15 | [noun] [Wh det] look back [prep] | 6 |
|
| 16 | [noun] [Wh det] [verb] back from | 5 |
|
| 17 | [noun] [Wh det] come back [prep] | 5 |
|
| 18 | [noun] [Wh det] date back [prep] | 5 |
|
| 19 | [noun] [Wh det] stretches back [prep] | 5 |
|
