Grammarly
Grammarly Blog: Present Continuous (Present Progressive) Tense
An explanation with examples of present progressive verb tense in sentences.
English Club
English Club: Learn English: Grammar: Verbs: Present Continuous Quiz
Choose the correct present continuous tense verb to complete each of the ten sentences in this Quiz. Answers can be checked upon completion.
Other
Isabel's Esl Site: Present Continuous Tense
Focus on the present continuous tense, with explanations, examples, exercises, and comparisons to other forms. Some guidance in Spanish.
English Club
English Club: Learn English: Grammar: Grammar Quizzes: Present Continuous Quiz
Choose the correct verb form to complete each of the ten sentences in this quiz. Feedback is provided after each question.
Other
Eclectic English: The Present Continuous Tense the Ing Form of Verbs
Learn how to correctly add the -ing ending to various types of words, and then practice by adding -ing to twenty-two verbs.
Grammarly
Grammarly Blog: Present Perfect Continuous(present Perfect Progressive)tense
An explanation with examples of present perfect progressive verb tense in sentences.
Online Writing Lab at Purdue University
Purdue University Owl: Sequence of Tenses
This Purdue University tutorial covers active and passive voices through simple examples.
English Club
English Club: Basic Tenses: Regular Verbs
Notes and examples of verb tense including past, present, future, past participle, present participle, simple, continuous, perfect, and continuous perfect.
Grammar Tips
Grammar Tips: Problematic Word Pairs: Part I
Certain word pairs present problems for many speakers and writers such as amount versus number, continuous versus continually, and so on. This three-part article identifies problematic word pairs and clarifies their proper use.