How do we use modal verbs to express the future tense?

Modal verbs can be used to express the future tense in English. While the future tense is typically formed using the auxiliary verb "will" or "shall," modal verbs can also be used to convey future actions or events. The most commonly used modal verbs for expressing the future tense are "will," "shall," "can," "could," "may," "might," "must," and "should."

1. "Will" and "shall" are the most frequently used modal verbs to express the future tense. They are used to indicate a future action or event that is certain or likely to happen. For example:
- "I will go to the party tomorrow."
- "She shall complete her assignment by the deadline."

2. "Can" and "could" can also be used to express the future tense, particularly when referring to the ability or possibility of performing an action in the future. For example:
- "I can meet you for lunch tomorrow."
- "Could you help me with my homework later?"

3. "May" and "might" are used to express future possibilities or uncertainty. They suggest that an action or event is possible but not guaranteed to happen. For example:
- "I may go to the concert if I can get tickets."
- "He might come to the party if he finishes his work on time."

4. "Must" and "should" can also be used to express the future tense, but with a sense of obligation or necessity. They indicate that an action or event is expected or required to happen. For example:
- "You must submit your application by tomorrow."
- "She should arrive at the airport early to catch her flight."

It is important to note that modal verbs do not change their form to indicate the future tense. They are used in their base form, without the addition of "-s" or "-ed" endings. Additionally, the context and adverbs of time often play a crucial role in determining the future meaning of a sentence when using modal verbs.