Cho thì, dạng đúng của động từ :
1. Se should (spend) _____ more time (practice) ________ (speak) _____ English.
2. He (ask) ___ me (give) ____ hi a han (prepare) _______ the party last week.
3. We (plan) ____ (repair) ______ Mr.Hai's house now.
4. He (prefer) ______ (play) ____ sports to (watch) _____ them on TV when he (be) __ a student many years ago.
5. He often (advive) ______ me (try) ___ my best (learn) _____ English.