| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb base] do is [verb] [prep] | 7 |
|
| 2 | they [vb base] do is [verb] [prep] | 7 |
|
| 3 | they [vb base] to do is [verb] [prep] | 6 |
|
| 4 | they [vb base] do is [vb infin] [prep] | 5 |
|
