L'argot français - have students practice in conversation (one student has to come up with something to elicit one of the expressions and the other to find the correct expression, and keep going) - intermediate/advanced
50 Common French Phrases Every French Learner Should Know
Are you a French learner? Get here the list of common French phrases which are helpful for your French vocabulary + download the list in PDF format! https://www.talkinfrench.com/50-common-french-phrases/
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).