Regular verb: triple - tripled - tripled
Simple form | V-ing form |
I must triple you must triple he must triple we must triple you must triple they must triple | I must be tripling you must be tripling he must be tripling we must be tripling you must be tripling they must be tripling |
Perfect | V-ing perfect |
I must have tripled you must have tripled he must have tripled we must have tripled you must have tripled they must have tripled | I must have been tripling you must have been tripling he must have been tripling we must have been tripling you must have been tripling they must have been tripling |
Simple form | V-ing form |
I must not triple you must not triple he must not triple we must not triple you must not triple they must not triple | I must not be tripling you must not be tripling he must not be tripling we must not be tripling you must not be tripling they must not be tripling |
Perfect | V-ing perfect |
I must not have tripled you must not have tripled he must not have tripled we must not have tripled you must not have tripled they must not have tripled | I must not have been tripling you must not have been tripling he must not have been tripling we must not have been tripling you must not have been tripling they must not have been tripling |
Simple form | V-ing form |
must I triple? must you triple? must he triple? must we triple? must you triple? must they triple? | must I be tripling? must you be tripling? must he be tripling? must we be tripling? must you be tripling? must they be tripling? |
Perfect | V-ing perfect |
must I have tripled? must you have tripled? must he have tripled? must we have tripled? must you have tripled? must they have tripled? | must I have been tripling? must you have been tripling? must he have been tripling? must we have been tripling? must you have been tripling? must they have been tripling? |
Simple form | V-ing form |
must I not triple? must you not triple? must he not triple? must we not triple? must you not triple? must they not triple? | must I not be tripling? must you not be tripling? must he not be tripling? must we not be tripling? must you not be tripling? must they not be tripling? |
Perfect | V-ing perfect |
must I not have tripled? must you not have tripled? must he not have tripled? must we not have tripled? must you not have tripled? must they not have tripled? | must I not have been tripling? must you not have been tripling? must he not have been tripling? must we not have been tripling? must you not have been tripling? must they not have been tripling? |