Vocabulary
vocabulary
sentences
100

eat

eat-ate-waten

100

run

run-ran-run

100

现在完成时 肯定句  use' see'  to make a sentence

I have seen....

200

read

read--read--read

200

keep

keep--kept--kept

200
make a sentence: 现在完成时 一般疑问句

Have you ....

300

speak

speak--spoke--spoken

300

ride

ride--rode--ridden

300

make a sentence: 现在完成时 

use 'for+一段时间'

I have lived here for 5 years.

400

write

write--wrote--written

400

swim

swim--swam--swum

400

make a sentence:现在完成时

use 'since+时间点'

I have lived here since 2016.

500

put

put--put--put

500

blow

blow-blew--blown

500

Can you guess 

现在完成时的否定表达

make a sentence

have not+ 过去分词

I haven't eaten lunch.

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