Unit6 Cartoons and Comic Strips——grammar學案

3)句首為否定詞 never, seldom, hardly, little ,few, rarely等    never have i seen such a foolish man.                                                    little have i thought of it, for it happened long time ago.    seldom does he come late to the office.4)句首為否定意義的詞組  at no time, by no means, in/under no circumstances(在任何情況下都不)，in no way, on no account (決不，且莫) by no means are the goods satisfactory. we need more.        at no time should we give up study though we have made great progress.         on no account can the driver be held responsible.5) 句首為not often, never before, not until, not once, not only等   not once has he done as i asked him to do.   never before have i eaten such nice food as this. not until i began to work did i realize how much time i had wasted.6）在hardly/scarcely…when/before, no sooner…than…, 句型中hardly, scarcely, no sooner 位于句首時   hardly had we got to the bus stop when the bus arrived.   scarcely had it stopped raining when they started on their way again.   no sooner had the picnic baskets been unpacked than it began to rain.7）only 加狀語位于句首   only in this way can we expect to get over so many difficulties.   only when i worked as an interpreter did i realize how important it was to practise speaking english.   only today did i learn the dreadful news.常用的詞語only by chance, only by luck, only then/today/yesterday, only on a rare occasion, only with difficult等8) so/such…that結構中的so/such 置于句首時  so loudly did he speak that even people in the next room could hear him.  such a noise was there in the room that i couldn’t go on with my work.  to such a degree was he excited that he couldn’t go to sleep that night.9)部分讓步狀語從句  young as she is , she is quite experienced in the work.  child as he is , he knows a lot.  say what you will, we’ll always stand by you.10) 表示頻度的副詞及短語位于句首    often, always, many a time, now and then, every other day,   many a time has he given us good advice.