Fill in the sentences with can, can't, could, couldn't.
1) ........... you make a snowman when you were a child? Sure , i ....... .
2) Monica isn't a good driver ....... . She ................... , drive well.
3) I ............ play the keyboard a few years ago but i ....... do it now.
4) We .............. visit you last Saturday because we were very busy.
5) Help me, please. I........ open the window.
6) We........... put down the fire ourselves because we didn't have enough water.
7) I ........…....…........... lend you my coursebook because I need it now.
8) Mrs. Palmer lost her car keys and she ...... do it now.
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