What are the uses of simple present tense?

What are the auxiliaries for Present Perfect tense?

For what pronouns do we use "DO" as an auxiliary in Simple Present tense?

For what pronouns do we use "DOES" as an auxiliary in Simple Present tense?

What is the form of the verb we use in affirmative sentences in Simple Present for the pronouns "I", "you", "we", and "they"?

What is the form of the verb we use in affirmative sentences in Simple Present for the pronouns "she", "he", and "it"?

What are the spelling rules used to add +S to the verb in Simple Present?

When do we use simple past tense?

What is the past tense auxiliary?

What is the past form of think?

What is the past form of teach?

What is the past form of rise?

What is the past form of quit?

When do we use past progressive tense?