( )内の語を使ってKen ( ) for the bus for thirty minutes. (wait)
答has been waiting
has been + waiting
( )内の語を使ってWe ( ) the song since last week. (practice)
答have been practicing
have been + practicing
( )内の語を使ってMy father ( ) the car for an hour. (wash)
答has been washing
has been + washing
( )内の語を使ってYuki ( ) that book since yesterday. (read)
答has been reading
has been + reading
現在完了進行形にThe children are swimming in the pool. (for two hours を加えて)
答The children have been swimming in the pool for two hours.
have been + swimming
現在完了進行形にI am writing this letter. (since ten o'clock を加えて)
答I have been writing this letter since ten o'clock.
have been + writing
現在完了進行形にHe is watching TV. (for three hours を加えて)
答He has been watching TV for three hours.
has been + watching
否定文にMy sister has been cleaning her room since noon.
答My sister has not been cleaning her room since noon.
has のうしろに not
否定文にThey have been walking in the forest for two hours.
答They have not been walking in the forest for two hours.
have のうしろに not
疑問文に→Yesで答えるEmi has been listening to music since this morning.
答Has Emi been listening to music since this morning? ― Yes, she has.
Has を主語の前に出す