he (may be taking) a nap
he (could not be taking) a nap
my sister (may be going)grocery shoping
my sister (could not be going)grocery shoping
everybody must be walking Sparky
She might be drinking office
虚拟语气很微妙
he (may be taking) a nap
he (could not be taking) a nap
my sister (may be going)grocery shoping
my sister (could not be going)grocery shoping
everybody must be walking Sparky
She might be drinking office
虚拟语气很微妙