| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] to be [noun prp] | 52 |
|
| 2 | [modal v] to be [noun prp] | 52 |
|
| 3 | used to be [noun prp] | 48 |
|
| 4 | used to be [noun prp] | 48 |
|
| 5 | [modal v] to be yugoslavia | 5 |
|
