| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [adv] [pron] [vb infin] back | 27 |
|
| 2 | [adv] [verb] [adv] [pron] [vb infin] back | 27 |
|
| 3 | [Wh adv] [verb] [adv] [pron] [vb infin] back | 27 |
|
| 4 | why [verb] [adv] [pron] [vb infin] back | 27 |
|
| 5 | [verb] [adv] [pron] [modal v] [vb infin] back | 23 |
|
| 6 | [verb] [adv] [pron] [vb mod] [vb infin] back | 23 |
|
| 7 | [verb] [adv] [pron] will [vb infin] back | 11 |
|
| 8 | [verb] [adv] [pron] 'll [vb infin] back | 7 |
|
| 9 | [verb] [adv] [pron] [adv] [vb infin] back | 5 |
|
| 10 | [verb] [adv] [pron] [adv] [vb infin] back | 5 |
|
| 11 | [verb] [adv] [pron] [vb infin] back [prep] | 16 |
|
| 12 | [verb] [adv] [pron] [vb infin] back [prep] | 16 |
|
| 13 | [verb] [adv] [pron] [vb infin] back to | 13 |
|
| 14 | [verb] [adv] [pron] [vb infin] back to | 13 |
|
| 15 | [verb] [adv] [pron] [vb infin] back [adv] | 6 |
|
| 16 | [verb] [adv] [pron] [vb infin] back [adv] | 6 |
|
