76.My teacher (come)-..here if he (have)–..time. 77.The trees (grow)=-.very fast at the moment. 78.David seldom (sing)–

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76.My teacher (come).will come…..here if he (have)…..has…..time.
77.The trees (grow)…..are growing………..very fast at the moment.
78.David seldom (sing)……..sings……….an English song.
79.I (help)………..will help…..you if I (be)…….am…….free.
80.Peter (borrow)…………….is borrow..your CDs tonight.
81.If she (ask)…..askes……me, I (not/answer)…….won’t answer……..her.
82.My mother often(tell)…tells……..stories at night.
83.They (travel)……travel……to Canada twice a year.
84.I (talk)………….will talk…with him if he (phone)………phones……me.
85.He (stay)…….stayed……up very late last night.
86.He (learn)……..is learning………..French tonight.
87.Mr. Pike and Mr. Brown (leave)……..are going to leave……………here next month.