答:(1)一般现在时:am/is/are+及物动词的过去分词;
例:Iamaskedtothepartytoday.
(2)一般过去时:was/were+及物动词的过去分词;
例:Iwasaskedtothepartylastnight.
(3)现在进行时:am/is/arebeing+及物动词的过去分词;
例:Iambeingaskedtothepartytoday.
(4)过去进行时:was/werebeing+及物动词的过去分词;
例:Iwasbeingaskedtothepartythattime.
(5)一般将来时:助动词will+be+及物动词的过去分词;
或:am/is/aregoingto+be+及物动词的过去分词;
例:Iwillbeaskedtothepartytomorrow.
例:Iamgoingtobeaskedtothepartytomorrow.
(6)过去将来时:助动词would+be+及物动词的过去分词;
或:was/weregoingto+be+及物动词的过去分词;
例:Iwouldbeaskedtothepartythenextday.
例:Iwasgoingtobeaskedtothepartythenextday.
(7)现在完成时:助动词has/have+been+及物动词的过去分词;
例:Ihasbeenaskedtothepartytoday.
(8)过去完成时:助动词had+been+及物动词的过去分词;
例:Ihadbeenaskedtothepartythedaybefore.
另外,含有情态动词的被动语态构成为:情态动词+助动词be+及物动词的过去分词.
例:Imaybeaskedtothepartytoday.