All modal verbs are auxiliary verbs, which means they can only be used with a main verb. Modal verbs cannot be a main verb. They are used to express ideas such as possibility, prediction, speculation, deduction and necessity.
épinglé par ❃❀CM❁✿'Would' is included in the conditionnel of a particular verb, 'could' and 'should' are expressed by separate forms of pouvoir and devoir (pourrais/ais/ait/ions/iez/aient and devrais/ais/ait/ions/iez/aient).
An article I wrote for the Huffington Post on 25 questions you can ask to know yourself just that little bit more. Knowing who you are and what you want is the first step in finding your purpose. Click through to read the post!