Subject and Verb agreement in English Grammar Please remember that subject and verb in a sentence must agree in person and number. Singular subjects need singular verbs; plural subjects need plural verbs. Example: The elevator works very well. (singular) The elevators work very well. (plural) Subject separated from the verb: In English, subject and verb are ... Read More

Past Perfect Continuous Tense Let's study The Past Perfect Continuous Tense Now: Look at the following example: Tom had been studying for two hours before his friend came. Event in progress:studying. WHEN? before another event in the past. How long? for two hours The Past Perfect Continuous Tense The Form: Subject + HAD + BEEN + Verb-ING The ... Read More

This post is from one of the training series for Paragraph and Grammar Structure Training . Mistakes are often made with word usage, “Which one do I chose?” Unfortunately, it’s not something that can be remedied with spell checker. Here is a list of ten common word usage mistakes with explanations and ... Read More