1.b> can-i> pasti>;
2.b> :i> he could do it if he wanted , ; I could come earlier, if necessary , ; I really couldn't think of it ; she could make the report, if she liked , ;
3.b> i> 1) :i> he could have done it a week ago ( );
2) ( i>) , :i> he could have done it nobody knows , , ;
3) ( i>) :i> could it be true? ? could he have meant it? ? she couldn't have done it! , , ?
4.b> :i> could you lend me a pound? ? could I have some more bread? ; could you tell me the right time? ?
5.b> , :i> I could cry for shame ; he could sing for joy .