We use CAN to talk about things we *are able to do*
We use CAN'T to talk about things we *are not able to do*
CAN'T = cannot
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• I * fly. I am not able to.
• Fish * walk, but they * swim.
• A bird * sing, but a bird * swim.
• My cat * climb trees, but it * talk.
• My little brother * read yet, but he * draw very well.
We do not use to or -ing after Can/Can't
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* I can to swim.
* She can't drives a car.
* He can play guitar.
* She can speaks English.
* Birds can flying.
subject + can/can't + base verb
didn't = did not
#past #simple
| I/He/She/It | was | wasn't = was not |
| You/We/They | were | weren't = were not |
#past #continuous
hadn't = had not
#past #perfect
hadn't = had not
#past #perfect_continuous
| I/You/We/They | do | don't = do not |
| He/She/It | does | doesn't = does not |
#present #simple
| I | am | I am not = I'm not |
| He/She/It | is | is not = isn't |
| You/We/They | are | are not = aren't |
#present #continuous
| I/You/We/They | have | haven't = have not |
| He/She/It | has | hasn't = has not |
#present #perfect
| I/You/We/They | have | haven't = have not |
| He/She/It | has | hasn't = has not |
#present #perfect_continuous
|
will/shall |
won't = will not / shall not |
#future #simple
|
will/shall |
won't = will not / shall not |
#future #continuous
|
will/shall |
won't = will not / shall not |
#future #perfect
|
will/shall |
won't = will not / shall not |
#future #perfect_continuous