Level 1 - Talking about the future How use the future tense. Level 1 - Talking about the simple past How to use the simple past. Level 1 - Talking about the continuous present How to use the ...

A recent episode of The Big Bang Theory shows Sheldon, Leonard, Raj, and Howard watching Back to the Future ... question was whether Sheldon and Leonard’s new syntactic rules for these tenses ...

When you are writing, you can use words that show if the events have already happened, are happening now or will happen in the future. The past tense is used for things that have already happened.