Modal verbs: possibility We use must, may, might, could, couldn’t and can’t when there is some evidence, information or belief that something is probably or possibly true (or not true). The modal verb we choose depends on the strength of the evidence we have to support our ideas. very likely: must possible: might, may, could, may not, might not very unlikely: can’t, couldn’t Here is a model answer. Complete it with… Read More The post IELTS Grammar Exercise appeared first on Plus Prep.