4. Mr. Nam stared teaching English 20 years ago (FOR)
-> Mr. Nam…
5. Some monkeys use sign language to talk to people (COMMUNICATE)
-> Some monkey…
4. Mr. Nam stared teaching English 20 years ago (FOR)
-> Mr. Nam…
5. Some monkeys use sign language to talk to people (COMMUNICATE)
-> Some monkey…
4. Mr. Nam stared teaching English 20 years ago (FOR)
=> Mr. Nam has taught English for 20 years.
5. Some monkeys use sign language to talk to people (COMMUNICATE)
=> Some monkeys communicate with people through sign language.
`4.` Mr. Nam stared teaching English 20 years ago (FOR)
`->`Mr. Nam has taught English for 20 years.
taught quá khứ v2 và v3 của động từ teach
`5.` Some monkeys use sign language to talk to people (COMMUNICATE)
`->` Some monkeys communicate with people through sign language.