| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they do [vb infin] to | 38 |
|
| 2 | they do need to | 7 |
|
| 3 | they do need to | 7 |
|
| 4 | they do tend to | 6 |
|
| 5 | they do tend to | 6 |
|
| 6 | they do seem to | 5 |
|
