Future simple
Alfredo said he would watch a horror movie
Present Simple
Alfredo: "I was watching a horror movie"
Alfredo said he was going to watch a horror movie
Past Perfect
Alfredo: "I'm watching a horror movie"
Present Coninuous
Past Simple
Alfredo: "I haven't watched a horror film yet"
Past Perfect
Past Perefect
Past Continuous
Alfredo said he had been watching a horror movie
Alfredo said he was watching a horror movie
Alfredo said he hadn't watched a horror movie before
Alfredo: "I will watch a horror movie"
Would
Past Simple
Alfredo: "I am going to watch a horror movie"