Sentence examples for could do better from inspiring English sources

Perhaps he could do better.

Yes, Obama could do better.

Or it could do better.

Good effort, could do better.

It could do better still.

Britain could do better.

Corbyn could do better.

"I could do better with this".

Britons could do better at that.

"I could do better," he said.

But what if they could do better?