The verbs of perception are always expressed with the modal verb 'can':
Can you see me?
You can hear the sea.
Can and Could Rules (British Council)
Can, Could (Grammarbank)
Can, Could, Be able to (Wordwall)
Can, Could, Be able to (Speaking, Wordwall)
Can, Could, Would (Listening, British Council)
Must Rules (British Council)
Must (Englischhilfen)
Must / Have to (Grammarbank)
May and Might Rules (British Council)
May and Might 1 (Tolearnenglish)
May and Might 2 (Usingenglish)
Should Rules (British Council)
Should 1 (Oxford)
Should 2 (Focus)
Should 3 (ESL Lounge)
Have to, Must and Should (Listening, British Council)
Permission and Obligation (British Council)
Suggestion and Obligation (British Council)
The deadline (Reading, Photocopiables)
Can/Could:
The Leftorium (Teach This)
Can you? (Teach This)
Must:
Must/Mustn't (British Council)
May/Might:
Should: