副词前加介词吗答:④ 介词from后接behind, downstairs, upstairs, inside, outside, above, below, beneath, underneath, indoors, outdoors, within等表示地点的副词作宾语。如:The enemy attacked us from behind. 敌人从后面袭击了我们。The door was suddenly opened from within. 门突然从里面开了。The noise from ...
请问英语有几种时态,能分别举几个列子吗?答:4.在双音节动词的后一个音节中,如其元音字母后接一辅音字母并重读时,则将辅音字母双写,再加-ed,如,occur/occurred, prefer/preferred, refer/referred.5.如动词以-y结尾,而-y前为一辅音字母时,则变y为i再加-ed如,cry/cried, carry/carried, deny/denied, fry/fried,try/tried.过去进行时 过去进行时(...