| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a world [noun sg] | 81 |
|
| 2 | [be] a class [noun sg] | 33 |
|
| 3 | a world class [noun sg] | 20 |
|
| 4 | [be] a world class | 5 |
|
