| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] back | 2675 |
|
| 2 | let's [vb infin] [adv] | 899 |
|
| 3 | let's [vb infin] [adv prt] | 577 |
|
| 4 | let's [verb] back | 143 |
|
| 5 | let's [vb infin] back | 142 |
|
