Exercise on Future I Simple going to Form negative sentences in Future I Simple going to. we / a mountain / climb→ she / tired / be→ you / the house / see→ they / in the lake / swim→ Rupert / the number / dial→ he / a coin / insert→ Harry / trouble / cause→ they / the treasure / discover→ he / his girlfriend / marry→ he / his goals / reach→ Back to pool of exercises. ►