What are the present tense forms of the main verbs used in the sentence below?He felt exhausted after the long walk.

• 'Peter is running fast'. The main verb here is 'run': although it is written in the continuous tense
• 'John loves Mary'. The main verb here is 'love': although it is written in the present simple tense
• 'The cat broke the bottle of milk'. The main verb here is 'break': although it is written in the past simple tense
• 'He had seen her before'. The main verb here is 'see': although it is written in the past perfect tense