一般现在时:do,does;一般过去时:did;一般将来时:will do;一般过去将来时:should do;现在进行时:doing;过去进行时:was/were doing;将来进行时:shall doing;过去将来进行时:should doing;现在完成时:have done;过去完成时:had done;将来完成时:shall have done;过去将来完成时:should done;现在完成进行时:have been doing;过去完成进行时:had been doing;将来完成进行时:shall doing;过去将来完成进行时:should have been doing
依次是do,be doing,have done,did,was/were doing,had done,will do,will de doing,will have done。还有现在完成进行时have been doing,过去完成进行时had been doing,过去将来时would do等等。
Do does
am , is , are doing
have, has done
did
was, were doing
had done
will be doing
will have done
Do. Doing. Have has done. Did. Was doing. Had done. Will do. Will be doing. Will have done.
do ,doing ,have/has done,did,were/