| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [to-vb] back [prep] [noun sg] | 17 |
|
| 2 | had to go back [prep] [noun sg] | 14 |
|
| 3 | had [to-vb] back to [noun sg] | 13 |
|
| 4 | had [to-vb] back to [noun sg] | 13 |
|
