• can (ability) 10 Read the grammar box, V/you/he/she/it/wel Uyou he/she t/we you/ you/ they can sing they cannot can't sing interrogative 153803 Yes, trou he/she/it/we/you Can I/you/he/ they can she/it/we/you! No, Vyou/he/she/it/we/you/ they sing? they can't