I'll be endeavouring you'll be endeavouring she'll be endeavouring we'll be endeavouring you'll be endeavouring they'll be endeavouring
Futur antérieur
I'll have endeavoured you'll have endeavoured she'll have endeavoured we'll have endeavoured you'll have endeavoured they'll have endeavoured
Futur antérieur continu
I'll have been endeavouring you'll have been endeavouring she'll have been endeavouring we'll have been endeavouring you'll have been endeavouring they'll have been endeavouring
I'd be endeavouring you'd be endeavouring she'd be endeavouring we'd be endeavouring you'd be endeavouring they'd be endeavouring
Passé
I'd have endeavoured you'd have endeavoured she'd have endeavoured we'd have endeavoured you'd have endeavoured they'd have endeavoured
Passé continu
I'd have been endeavouring you'd have been endeavouring she'd have been endeavouring we'd have been endeavouring you'd have been endeavouring they'd have been endeavouring