It's time to have an English class.怎么变否定句?

同义句It's time to have an English class It's time to have it's time to have an English ciass 为什么用to It's time to have an English class.怎么变否定句? It's time to have a class.还是It's time to have class. And it's time to have some good time! it`an exciting time to have a party改为感叹句 It's time for lunch.It’s time to have lunch.It's time for lunch.It’s time to have lunch.翻译! Accounting~It's too late now,I have an examitation tomorrow.So it's time for me to go to bed.See you! It’s an h___ to have your visit to us It's time to have breakfast.（改为同义词：It's time ______ breakfast.） It's time for me to have breakfast.同义句It's time()my(). It's time to have ciass now!It's time for ciass.的意思 It's time to have class (改为同义句)It's time ------------------------ It's time to It's time to It’s time ________ an English lesson.A．having B．to have C．have D．to having 怎么选?为什么? it·s time to have breakfast改为同义句