simple present是什么意思?

simple present是什么意思? 高中英语中的present simple tense是什么意思? present simple to past simple是什么意思（急!） present simple ＆ future simple各是什么意思?也许是什么时态吧! present simple simple present Present simple和Present continuous分别是什么意思?如题 Present simple,present continuous,present perfect simple,present perfect continuous simple present tense The simple present tense present perfect simple and present perfect continuous 什么是simple present tense or present progressive? past simple present continuous present simple the vervto be' 英语翻译past simple；personal pronoun；present continuous；present simple Simple是什么意思 simple 是什么意思!? “simple”是什么意思? simple是什么意思