We used to smoke.是 什么时态的?怎么改为否定句?对smoke划线怎么提问?(词组是used to:过去常常）求这三题、急~~~不懂的、装懂的就别说了

We used to smoke.是 什么时态的?怎么改为否定句?对smoke划线怎么提问?(词组是used to:过去常常）求这三题、急~~~不懂的、装懂的就别说了 I used to smoke中smoke怎么不用smoked? My uncle used to smoke _______(heavy). l used to smoke.(改否定句） l ____ ____to smoke.l used to smoke.(改否定句）l ____ ____to smoke. my father used to smoke a lot 另一种说法 my father used to smoke改为一般疑问句 my father used to smoke与used smoke的区别?used是vt后面可以直接加受词,语法上my father used smoke是没有错的吧? 我现在不明白那个to的用意了,它是介词,在这里表达的是什么呢? we used to work to ______he to smoke? yes ,he ______.but now he doesn't. A.used,used to.B.used ,used我觉得应该选B,但答案选的是A my father -----smoke a lot.lt is bad . a.used for b.used to Used he to smoke 这里把Used 提前,为何不用Do We used to be so 有没有 Used he to smoke?那这题选什么 ( ) he to smoke?yes,he ( ) but now he doesn't A used ,usedB used ,used toC did ,used toD used ,did we have as much a right to smoke as not to smoke. my father __a lot.He has given up smoking now.a used to smoking b used to smoke c is used to smokD is used to smoking 有首很轻柔的英文歌,开头两句是 we used to laugh, we used to cry 请问是什么歌啊?We used to laughWe used to cryWe used to talk about forever you and IAnd love was all we seemed to needI still recall sometimesThe way we used to beWhe Can I smoke here?-----Sorry we don't allow______here.A.people B.people smoke C.to smoke D.smoking I used to smoke .变一般疑问句和否定句你答案里的used to 哪里去了呢？