Select all that apply: which sentences use can, could or be able to correctly for the stated ability frame?
The conservator can identify pigments by touch.✓Richtige Antwort
After three punctures, Niko could finish the desert race yesterday; he crossed the line and took bronze.
At primary school, Amara could recite long poems from memory.✓Richtige Antwort
The new courier will can deliver refrigerated parcels next week.
Erklärung
The conservator sentence describes a present skill, and the childhood sentence describes an ability exercised repeatedly in the past. Niko explicitly crossed the line and took bronze, so affirmative could is not standard for that completed one-off achievement; the delivery sentence also wrongly stacks will with can.