| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb infin] [prep] | 1242 |
|
| 2 | did they [vb infin] | 1236 |
|
| 3 | did [vb infin] [prep] | 1234 |
|
| 4 | did they [prep] | 13 |
|
