Can you back your hard drive up? Or must you back up your hard drive? Can you calm yourself down? Or must you calm down yourself? Can you blow balloons up? Or must you blow up balloons? Can you hang ...

Picture a small child saying: "Can’t, shan’t, won’t!" They are using modal verbs to show their feelings and attitude to something. Maybe they are refusing to go to bed or eat their peas. Modal verbs ...

Language acquisition has traditionally been considered a social, interactive process, however new research reveals that toddlers are able to acquire the meanings of words even in "socially ...