| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] we used [to-vb] | 54 |
|
| 2 | what we used [verb] | 48 |
|
| 3 | [Wh det] we used to call | 21 |
|
| 4 | [Wh det] we used call | 21 |
|
| 5 | [Wh det] we used to do | 17 |
|
| 6 | [Wh det] we used do | 17 |
|
| 7 | which we used [verb] | 6 |
|
| 8 | [Wh det] we used to have | 5 |
|
| 9 | [Wh det] we used have | 5 |
|
