| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] used to be | 128 |
|
| 2 | [adv] [ex0] [modal v] to be | 48 |
|
| 3 | [adv] [ex0] used to [be] | 40 |
|
| 4 | [adv] [ex0] used [prep] be | 40 |
|
| 5 | [adv] [ex0] used to be | 40 |
|
| 6 | [adv] [ex0] used [prep] be | 40 |
|
