The sentence expresses a habitual fact and its tense is the simple present tense. The subject is third person singular, so the verb takes'es' after it . Therefore 'goes' is the suitable option.

The tense of the sentence is simple past. It indicates an action in the past. Here the second form of the verb is to be used. So 'died' is the correct option.

The sentence refers to an action that began in the past and is still going on. The tense of the sentence is the present perfect continuous. The subject is third person plural. Hence 'have been' is the correct choice.

The tense of the sentence is simple present. Here second form of the verb is to be used. Hence 'did' is the correct option.

The sentence indicates an action that began in the past and is still going on. The tense of the sentence is present continuous tense. The subject is third person singular so 'has been raining' is the correct choice.

The tense of the sentence is the simple past tense as it denotes an action in the past. Here the second form of the verb is to be used. Hence 'discovered' is the correct option.

The tense of the sentence is past continuous tense as it denotes an action that was going on in the past. The subject is third person singular. Hence 'was having' is the correct option.

The tense of the sentence is future perfect. It denotes that the action will be completed at some point of time in the future. Hence, 'will have heard' is the correct option.

The tense of the sentence is simple present, here the first form of the verb is to be used. Hence 'say' is the correct option.

The tense of the sentence is simple past. Here second form of the verb is to be used. Hence 'congratulated' is the correct option.

The tense of the sentence is simple future. In any sentence 'will' is not used twice. The verb 'ends' is the correct option as it comes after the word 'month' which is third person singular.

The tense of the sentence is simple present. The subject is third person singular, so the verb will take 's' after it. Hence 'wants' is the correct option.

The tense of the sentence is present perfect. It denotes an action completed at the time of speaking. The subject is first person singular. Hence 'have seen' is the correct option.

The tense of this sentence is the past perfect tense as it denotes an action before the another action was begun. Here third form of the verb is to be used, so 'came' is the correct option.

The tense of the sentence is simple present, the subject is first person singular, so the verb will take 's' after it. Hence 'wants'  is the correct option.