time的意思有時(shí)間、次數(shù)、測(cè)定、定期的等。time主要用作名詞、形容詞、動(dòng)詞，作為名詞時(shí)意為“時(shí)間；時(shí)代；次數(shù)；節(jié)拍；倍數(shù)”，作為形容詞時(shí)意為“定時(shí)的；定期的；分期的”，作為動(dòng)詞時(shí)意為“計(jì)時(shí)；測(cè)定…的時(shí)間；安排…的速度”。

time的相關(guān)句型：

It's time for sth . 或 It’s time ( for sb . ) to do sth. 意為：該是……的時(shí)候了

This is the time when sb . should do sth . 或The time has come when sb . should do sth . 這兩個(gè)句型也用來表示“該是……的時(shí)候了”，when 引導(dǎo)的定語從句用陳述語氣或“should + 動(dòng)詞原形”的形式。例如：This is the time when you should get up .是你該起床的時(shí)候了。

It's time that...中，that從句中的謂語動(dòng)詞用過去時(shí)或用"should+動(dòng)詞原形"(should不能省略)。

It's time we started.(It's time we should start.)

This is the first ( second ， last ) time ( that ) sb . has done sth. 意為：是某人第幾次……。