English doing words

What is the action word in the sentence: 'The dog runs fast'?

Choose the doing word in this sentence: 'She sings beautifully.'

Identify the verb in the sentence: 'They jump high.'

What is the doing word in 'He reads books every day'?

Which word is the action in this sentence: 'The cat sleeps on the mat.'?

Find the doing word in 'The children play outside.'

In the sentence 'The bird flies in the sky', what is the action word?

What is the verb in 'I write a letter to my friend.'?

Choose the doing word from the sentence: 'Dad cooks dinner.'

Identify the action word in 'We dance at the party.'