以下单词的现在分词、过去式、第三人称单数！
relax begin discuss enjoy hope、 arrive、sleep lie stop live teach wash turn wait
relax-relaxing-relaxed-relaxes
begin-beginning-began-begins
discuss-discussing-discussed-discusses
enjoy-enjoying-enjoyed-enjoys
hope-hoping-hoped-hopes
arrive-arriving-arrived-arrives
sllep-sleeping-slept-sleeps
lie-lying-lay-lies
stop-stopping-stopped-stops
live-living-lived-lives
teach-teaching-taught-teaches
wash-washing-washed-washes
turn-turning-turned-turns
wait-waiting-waited-waits