一般现在时 ：①be动词；be+not
②谓语动词为实意动词 don‘t/doesn't
一般过去时：was/were+过去分词
一般将来时：①be+going to do
②will/shall+do
现在进行时：be+(not)+doing
现在进行时的被动语态：be being done
现在完成时：haxe/has+done
过去进行时：was/were+doing
现在完成进行时：have/has+been+doing
过去完成时：had+done
过去将来时：①was/were+going to do
②would/should+do