这些present continuous past third person singular这些present continuous past third person singular present perfect tense 是什么

这些present continuous past third person singular这些present continuous past third person singular present perfect tense 是什么 Present simple,present continuous,present perfect simple,present perfect continuous present continuous passive present continuous是什么意思? The present continuous tense 什么是PRESENT PERFECT CONTINUOUS啊? present perfect simple and present perfect continuous 用will/present continuous tense填充 make more sentence,using the present continuous The simple present and the present continuous的中文意思? Present simple和Present continuous分别是什么意思?如题 past simple present continuous present simple the vervto be' 英语翻译past simple；personal pronoun；present continuous；present simple present continuous与present progressive有何不同? present simple,present continuous ,past simple ,past continuous ,past perfect每个时式作一句句子, write the present continuous from of the following Rewrite these sentences in the present continuous tense. simple present tense和present continuous tense各是什么时态?要100%正确的.