1. Carol sabía conducir

Carol could drive  
Carol can drive  
Carol drove  
Carol didn't drive  
No se

2. Si pudieran

If they can
If they come
If they could  
If they came
No se

3. ¿Podría beber algo?

Can I have a drink?  
Could I have a drink?  
Could I have?
I could have a drink
No Answer

4. Ella pudo verlo

She saw it
She can see it 
She could see it
She have seen it
No se

5. No podíamos nadar en esa piscina

We couldn't swim in that pool
We can't swim in that pool
We swam in that pool
We could't go in that pool
No se