| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] has focus on the | 32 |
|
| 2 | [noun sg] have focused on the | 32 |
|
| 3 | attention have focus on the | 9 |
|
| 4 | research have focus on the | 7 |
|
| 5 | [noun sg] have focussed on the | 6 |
|
