Verb Tenses and Forms: Present Simple, Present Continuous, Past Simple, Past Continuous, Present Perfect Simple, Present Perfect Continuous, Past Perfect Simple, Past Perfect Continuous, Present Simple and Continuous for the future, To be going to, Will/Shall, Simple Present for the future with if/while/when/before/after/until/as soon as, Passive Form (all tenses).
Modal Verbs: Can, Could, Be able to, Must and Can’t for deductions, Must and Have to for obligation, Mustn’t vs. Don’t have to/Don’t need to/Needn’t, Didn’t need to vs. Needn’t have done, May and Might, Should and Ought to, Can/Could/May/Would for requests, offers, permissions, invitations.
Conditionals: Zero, First, Second and Third Conditional, Wish + simple past/past perfect.

R. Murphy, English Grammar in Use, Cambridge, CUP.