She was able to speak English when she was 5 years old. -> COULD
She could speak English when she was 5 years. old.
Can you help me with my homework? -> COULD
Could you help me with my homework?
I can't ride a bike yet. -> NOT ABLE
I am not able to ride a bike yet.
Did he need to buy so many sweets? -> HAVE TO
Did he have to buy so many sweets?
I can swim. -> ABLE
I am able to swim.
I need to charge my phone. -> HAVE
I have to charge my phone.
I needed to install a new anti-virus program. -> HAD
I had to install a new anti-virus program.
Luckily, I didn't need to buy a new car. -> HAVE TO
Luckily, I didn't have to buy a new car.
It wasn't possible for Tim to open the box. -> COULDN'T
Tim couldn't open the box.
I need to use a pencil. -> HAVE
I have to use a pencil.
I couldn't climb the mountain. -> NOT ABLE TO
I was not able to climb the mountain.
You don't need to bring any food for the party. -> HAVE TO
You don't have to bring any food for the party.
It isn't possible for me to run 20 km. -> CAN'T
I can't run 20 km
My friend needed to buy a new pair of glasses. -> HAD
My friend had to buy a new pair of glasses
I'm afraid he is not able to play football. -> CAN'T
I'm afraid he can't play football.