Question

i am not sure I that film before,so lets watch it tonight.​

Answer 1

Answer:

I am not sure that I have watched that film before, so lets watch it tonight

Explanation:

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Answer 2

I am not sure that I have seen that film before, so let's watch it tonight.

Explanation:

• The given sentence has a number of errors.  To begin with the first word of the sentence 'I' should always be in capital letters.

• The beginning of a sentence is always in capital letters.  Also the word 'I' is always in capital letters.

• The sentence has three clauses.  A clause is a group of words that have a subject and a predicate.  The predicate will have a verb.

• In the he given sentence the second clause does not have a verb.  Since the first clause has the verb 'am' which is in the simple present tense the second clause will be in the present perfect  tense.

• Hence 'have seen' has to be inserted.

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