
What are auxiliary verbs? What auxiliary verbs do we use in the formation of the perfect tenses? Are auxiliary verbs used to form questions as well? Can we also use auxiliary verbs when we want to emphasize on the main verb?
What is the structure of simple future tense? When do we use the simple future tense? What is the difference between ‘going to’ and ‘will’? Can the simple present tense and the present continuous tense be used to express future plans as well? What is the structure of future continuous tense? When do we use […]