| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used to be [adj] | 417 |
|
| 2 | used to be [adj] | 263 |
|
| 3 | used to be common | 7 |
|
| 4 | used [prep] be common | 7 |
|
| 5 | used to be common | 7 |
|
| 6 | used to be common | 7 |
|
| 7 | used to [be] common | 7 |
|
| 8 | [vb mod] to be common | 7 |
|
| 9 | used to be common | 7 |
|
| 10 | used [prep] be common | 7 |
|
| 11 | used to [be] common | 7 |
|
| 12 | [modal v] to be common | 7 |
|
