A type of auxiliary verb that shows ability, possibility, permission, and obligation.
You can memorize them: can, could, may, might, must, ought to, shall, should, will, would.
→ He can play tennis well.
(The modal verb "can" shows ability)
→ We might meet tomorrow.
(The modal verb "might" shows possibility)
→ You may leave now.
(The modal verb "may" shows permission)
→ You must not lie to us.
(The modal verb "must" shows obligation)
A conjunction that joins two or more like with like. For example, adjective with adjectives, nouns with nouns, phrases with phrases, etc.
You can memorize them: for, and, nor, but, or, yet, so. Use the acronym FANBOYS.
→ The waiters served sandwiches and cakes.
(joins two nouns)
→ The manager, his deputy, or his secretary will be with you in a moment.
(joins three nouns)
→ He is a small but aggressive dog.
(joins two adjectives)
→ He typed the letter quickly but accurately.
(joins two adverbs)
→ She must be able to sing and dance.
(joins two verbs)
→ She must be able to sing like a rock star, and dance like a ballerina.
(joins two phrases)
→ She must be able to sing, and she must be able to dance.
(joins two clauses)