Polly, put the kettle on

Polly, put the kettle on, Polly, put the kettle on, Polly, put the kettle on, We'll all have tea. Sukey, take it off again, Sukey, take it off again, Sukey, take it off again, They've all gone away!

put the kettle on - поставь чайник (на плиту),
we'll (we shall) all have tea - мы все будем пить чай,
take it (the kettle) off - сними его (чайник) с огня,
they've (they have) all gone away - все ушли.