| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [to-vb] back [prep] [noun] | 23 |
|
| 2 | be [to-vb] back to [noun] | 12 |
|
| 3 | be [to-vb] back to [noun] | 12 |
|
| 4 | be [to-vb] back [prep] [noun sg] | 11 |
|
| 5 | is [to-vb] back [prep] [noun] | 9 |
|
| 6 | be [to-vb] back [prep] [noun prp] | 9 |
|
| 7 | was [to-vb] back [prep] [noun] | 6 |
|
| 8 | be to go back [prep] [noun] | 6 |
|
| 9 | be [to-vb] back on [noun] | 5 |
|
| 10 | be [to-vb] back on [noun] | 5 |
|
