| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] the [num ord] [noun sg] | 194 |
|
| 2 | [verb] back to the [num ord] [noun] | 151 |
|
| 3 | [verb] back [prep] the [num ord] century | 113 |
|
| 4 | [verb] back [prep] the [num ord] century | 112 |
|
| 5 | date back [prep] the [num ord] [noun] | 69 |
|
| 6 | [v-ing] back [prep] the [num ord] [noun] | 60 |
|
| 7 | [vb -s] back [prep] the [num ord] [noun] | 50 |
|
| 8 | go back [prep] the [num ord] [noun] | 45 |
|
| 9 | [verb] back [prep] the first [noun] | 34 |
|
| 10 | dating back [prep] the [num ord] [noun] | 32 |
|
| 11 | dates back [prep] the [num ord] [noun] | 27 |
|
| 12 | [vb past] back [prep] the [num ord] [noun] | 26 |
|
| 13 | [vb pp] back [prep] the [num ord] [noun] | 22 |
|
| 14 | [verb] back [prep] the second [noun] | 21 |
|
| 15 | [verb] back [prep] the last [noun] | 21 |
|
| 16 | [vb base] back [prep] the [num ord] [noun] | 18 |
|
| 17 | [to-vb] back [prep] the [num ord] [noun] | 16 |
|
| 18 | goes back [prep] the [num ord] [noun] | 15 |
|
| 19 | come back [prep] the [num ord] [noun] | 12 |
|
| 20 | [verb] back in the [num ord] [noun] | 11 |
|
| 21 | going back [prep] the [num ord] [noun] | 11 |
|
| 22 | [verb] back on the [num ord] [noun] | 11 |
|
| 23 | look back [prep] the [num ord] [noun] | 10 |
|
| 24 | [vb infin] back [prep] the [num ord] [noun] | 9 |
|
| 25 | [verb] back [prep] the next [noun] | 9 |
|
| 26 | get back [prep] the [num ord] [noun] | 8 |
|
| 27 | [verb] back [prep] the sixteenth [noun] | 8 |
|
| 28 | date back [prep] the [num ord] [noun] | 7 |
|
| 29 | trace back [prep] the [num ord] [noun] | 7 |
|
| 30 | [verb] back [prep] the thirteenth [noun] | 7 |
|
