Make the sentences negative 1.Daniel washed his car last Friday
2.Ann finished her work
3.All the students answered the questions correctly
4.Mansur asked Marina to go out
5.Julia cleaned the entire house this morning
6.Max watched TV the whole day yesterday
7.Dan invited the whole class to his birthday party

1. Daniel didn't wash his car last Friday.

2. Ann didn't finish her work.

3. None of the students answered the question correctly.

4. Mansur didn't ask Marina to go out.

5. Julia didn't clean the house this morning.

6. Max didn't watch TV yesterday.

7. Dan didn't invite none of his classmates to his birthday party.

pack of cigarettesa day -about 500x-rayirradiationfor the year! temperatureof 700-900degreessmoldering cigarette! smoker's lungswith the experience -black,rottingmass.afterinhalingnicotine enters thebrainin 7seconds.nicotinecauses spasmof vessels,fromheremalnutritionoxygen to tissues.spasmof small vesselsmakes the skinaging.the hazards of smokingin the factthatthere isbad breath, yellowteeth,inflamedthroat,eyesturn redfrom theconstant irritationof smoke.

  can you ( he, she, they) sing? - yes, i (he. she. they) can, but  i (he. she. they) can*t.

can you ( he, she, they) dance? - yes.i (he. she. they) can, but i (he. she. they) can*t.

can you ( he, she, they) ride a bike? - yes.i (he. she. they) can,but i (he. she. they) can*t.

can you ( he, she, they)  roller-skate? - yes.i (he. she. they) can,  but i (he. she. they) can*t.

can you ( he, she, they) draw? - yes.i (he. she. they) can,but i (he. she. they) can*t.

в вопросе глагол can ставится на первое место, затем местоимение (я, он, она, ты, они и т.д.) или существительное (петя, аня, за ним  идет смысловой глагол (писать,   форма глагола    can  не изменяется по лицам ( к нему не нужно добавлять никаких окончаний! ) выбирай любое местоимение и списывай! все просто!