 Okay, we use them for what else so we can you well the model verbs are used for forming tenses or moods or voices they can express necessity possibility can you give me examples right yes exactly yes very good we think of any examples of model verbs other ones in this should write what oh so we have should would oh like you want to okay odds that's another one what is the what is the present form of the can so we know the rules like for Ken and good about Ken so we said Ken is what tense what sense is Ken very good and so we use Ken with the present simple so that's why here we didn't use that because of the word right what about so that that's very good so what about the able to what can we use able to you know but you can use the can for present form right but you can also use it for so the past or the conditional we went over right is the couldn't could that's the past right and use it as a conditional before I move on to able to like that could how do we how would you use that in a conditional sentence they could be waiting they could be waiting they could be waiting okay so you could be waiting for what 10 minutes could be waiting for one day right so one day so anything from there there you could you could be waiting you're saying so it's a possibility okay very good and what about able to what is what is so when do we use able to