1) MUST is very often used in questions a) true b) false 2) MUST is used for written rules a) true b) false 3) HAVE TO is used for an.......................obligation a) external b) internal 4) In a sentence, MUST is never followed by "to" a) true b) false 5) The structure for a positive sentence containing "HAVE TO" is.... a) S+have to+main verb b) have to+S+main verb 6) The structure of a negative sentence containing MUST is.... a) S+must not+main verb b) S+not+must+main verb 7) "Does I have to go to school?" is an............... a) incorrect sentence b) correct sentence 8) "I must to go now" is a................. a) incorrect sentence b) correct sentence 9) "MUST" is used for personal opinions a) true b) false

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