The Present Tenses:Simple,Perfect,Perfect Continious
Put the verbs in brackets into the correct form.
1.Mary ________(to have/already) her lunch.
2.The Smiths _______ (to have) lunch for more than an hour.
3.She doesn't know if she ________(to come) tommorow.
4.In winter the water _________( to freeze) and peaople can walk across the ice and snow.
5.Jane ___________ ( to take ) piano lessons since last Jume.
6. I ____________ (to study) English for 7 years.

The Past Tenses:Simple,Continuous,Perfect,Future-in-the-Past.
1.I didn't have the book that she _________( to like ).
2.Bob told his friends that he _________(to win) the competition.
3.She ____________ (to read ) the whole evening yesterday.
4.She ____________( to eat ) ice-creambefore she frank some lemonade.
5.The surgeon said that he _______________ ( to operate ) the patient in two days time.
6.She ___________ ( to go ) to the plant when I met her.

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