Third-Person Singular Verb Forms

What is the focus of the present simple third-person singular verb forms?

How do you change the verb 'fly' to third-person singular?

Which of the following verbs follows Rule 1?

What do you add to verbs ending in 'ch' to make them third-person singular?

Which verb form is correct for 'watch' in third-person singular?

Which of the following is an irregular verb that changes form in third-person singular?

What is the third-person singular form of 'have'?

How do you form the third-person singular of 'play'?

Which verb does not simply add 's' in third-person singular?

What is the third-person singular form of 'run'?