Requesting Help with Identifying Grammatical Structures
- They will be requesting help
- They were requesting help
- They have requested help
- They had requested help
- They requested help
- Because of the climate, the Atacama desert in chile is visited by only the hardest trekkers
- Leaving the ice-cream out on the ledge was not a wise idea.
Could anyone please help me with this or point me to resources that could help me? I'm quite baffled.