There are two main classes of verbs in English: strong and weak. 'Strong' is a historical terms that refers to the of verbs in which the past tense is marked by a change in the base vowel and the ...

Present and past particples are used as parts of certain verb constructions but they can be used in a number of different ways. Present participle (verb-ing) clauses can be used without a subject ...

The present tense describes what's happening now. Depuis is used with the present tense to say how long something has been happening. Learn how to form sentences using the present tense. Key verbs - ...