成人午夜视频一区二区无码,无码加勒比一区二区三区四区,亚洲无线中文字幕乱码,国产精品人妻系列21p

(1)應當，應該(表示責任或義務)(used to express duty or moral obligation)：Every citizen～to help/obey the law.每一個公民都應該提供幫助/遵紀守法。Teachers～to be honoured.教師應該受到尊重。I～not to go on living this way.我不應該再這樣生活下去了。

(2)(本)應該(表示勸告或推薦)(used to express advice or recommendation)：You～not to have spoken to her in that way.你本不該那樣跟她講話。You～to have had more consideration for her.你本應該多體諒她。

(3)想必，照說應該(表示揣測)(used to express possibility or natural consequence)：It～to be ready by now.到現(xiàn)在照說應該準備好了。That～to be the postman.那想必是郵遞員。If he had started at nine o'clock，he～to have been in London by eleven o'clock.如果他9點出發(fā)，到11點時就應該已經到倫敦了。