In this exercise, you'll see input verbs and model verbs. If you choose ring as your model verb, and then bring as your input verb, bring will conjugate the way that ring normally does.

Unfortunately, there are some exceptions to this rule, and one you will encounter frequently will be the verb to be. The following chart explains how you can conjugate this verb in the present tense.

There is a misconception that all verbs in a paragraph should be in the same tense. The choice of the appropriate verb tense depends on context and meaning.

The perfect tense is used to say what you did or what you have done in the past. To form the perfect tense you need a subject, an auxiliary verb and a past participle. Perfect tense with 'être ...

For example, the tense may change between the methods section and the discussion section. The abstract is usually in the past tense due to it showing what has already been studied. Example: “This ...