Thank you, my lecture finished.
Thank you,I have finished my speech.
Thank you for the everyone, my speech is over.
That's all for my speech.Thank you.
附:此语态为一般现在完成时现在完成进行时是英语中动词的一种基本时态,其构成为:主语+助动词(have/has)+been+动词的现在分词+其他成分。表示动作从某一时间开始,一直持续到现在,或者刚刚终止,或者可能仍然要继续下去。在英语时态中,“时“指动作发生的时间,”态“指动作的样子和状态。
肯定式 第一人称 have been doing sth.
疑问式 Have 第一人称 been doing sth.
例句:
Ann is very tired. She has been working hard.
Why are your clothes so dirty? What have you been doing?